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Remove Catalytic Converter And Bypass O2 Sensor

How to keep the check engine off when removing catalytic converter Redneck Engineering Do O2 sensor spacers work to help pass How To Fix A Catalytic Converter Check Engine Code With Spark. Can this cause any problems? This is against the law. 4 Benefits Of Removing Your Catalytic Converter. Order Mitsubishi Eclipse Oxygen Sensor online today. Please Share DannysEnginePortal News. The muffler dampens the sound, not the catalytic converter, so that should not be a problem, however the vehicle check engine light will always be on throwing converter/O2 sensor codes unless you get O2 sensor bypass that gives the O2 sensor readings the car expects. I am thinking that I ought to be able to build a jumper for the sensor and fool it into thinking that it is working, reset the check engine light and wait till it starts to fall apart before replacing it. i really dont know why you wanna do that but i think its kindna stupid to bypass the 2nd O2 sensor. Reconnect 02 sensor by pluging it in, then pull the ecu 15w fuse to reset it and you now have a Catalytic Bypass. When you remove your catalytic converter, your post O2 sensor will see higher temperatures and greater flow of unburnt fuel. If I remove my catalytic converter on my 05 f-350 diesel will it effect anything on my truck like sensors - Answered by a verified Ford Mechanic. i know thier there for a reson but in idaho i dont have to do a emittions test. Sensor 1 is before the converter, Sensor 2 is behind the converter, Bank 1 and 2 are typically used in V-configuration where Bank 1 is on the side Cylinder 1 is located. the o2 sensor is an important part and for abot 185$ you can get a set of shorty headers that will bolt in and are compatible with factory exhausts which will keep you legal and have the o2 sensor bung on them. Cat removal issues O2 sensor Crosstalk Or give Doc a call; the tuner Tn. From what I can see there is no O2 Sensor after the cat so I think I would be pretty save gutting it and putting it back or putting a straight pipe through. That is a catalyst efficiency code. You can remove the catalytic converter. Thirdly, removing the catalytic converter may trigger a fault code which will illuminate the check engine light (assuming you have one). 2l's Catalytic Converter? There is an O2 sensor before and after the cat, what will it take to keep the CEL off? I can tell you from experience. If you remove the cat and. FREE Shipping. 6 months later, light comes back on Had to change the spark plugs for a tuning project, light went back off,and hasn't come back on since. The trouble is, the rear o2 monitors the exhaust content and the PCM can determine if the catalyst if performing or not. Yes removing it really makes a difference. Are you chasing after the ultimate solution for service light issue? Then you've come to the right place. A properly tuned engine with a functioning O2 sensor, will give you a pretty clean exhaust. I took on this repair because my 2003 Honda Accord 2. input from you folks is appreciated. Reconnect 02 sensor by pluging it in, then pull the ecu 15w fuse to reset it and you now have a Catalytic Bypass. So if one cat was still there, I think the sensor would still be happy. i really dont know why you wanna do that but i think its kindna stupid to bypass the 2nd O2 sensor. if you are putting in a "test pipe", just take your after cat o2 sensor and secure it somewhere under there, like zip tie it to something or whatever. bmw e90 catalytic converter and o2 sensors hello guys i have a 2006 e90 320i, i took my car to the mechanic and the diagnostic machine told me that I have 02 sensor on bank 1 failing and the catalytic converter bank 2 failing, is there a way that this can be fixed and how much is it?. I will also say that once we swapped the upstream o2 sensor, the CEL went off immediately. The converter was bad with a P0420 code. You can bypass the sensor. Downstream O2 Sensor Heater" and unplugging. How to keep the check engine off when removing catalytic converter Redneck Engineering Do O2 sensor spacers work to help pass How To Fix A Catalytic Converter Check Engine Code With Spark. Oxygen sensors (O2) used in most of today's automotive gasoline engines are failing at an ever increasing rate. If within the warranty time period, the catalytic converter fails, Magnaflow will replace it. Its not the converter under body but the 2 right off the manifiold, before the single one. out i think thats the # dak4. $1000+ to repair - but i'm going to another dealer for a 2nd opinion. The good news is, whatever he used to replace my cat has been problem free since december. This is where to recycle catalytic converters for the Top Price prices Paid Nationwide. I'm about to take my truck to the shop tomorrow and dump 60$ for them to remove this O2 sensor. if you are putting in a "test pipe", just take your after cat o2 sensor and secure it somewhere under there, like zip tie it to something or whatever. Will I get a CEL? This is for down the road, should one of them fail. Well, thank you for your response, and no by remove I meant to take it out, and put it through the cleaning process of the O2 sensor, which is pretty common as these sensors are fine but just get coated with carbon and gunk from the exhausts. It's also highly recommended that you check out our Pelican Technical Article on Replacing Oxygen Sensors. I say again, it would take tens of thousands of miles of driving without a functioning O2 sensor to damage the catalytic converter. Will I get a CEL? This is for down the road, should one of them fail. I want more sound and want to know if I can bypass the rear O2 sensor or just eliminate it totally. I got a message from a fellow in Venezuela who had to remove his catalytic converters because they burned out, unleaded fuel being unavailable where he lived. Over time deposits form on you Catalytic converter and oxygen sensor rendering your vehicle’s performance lower than it should be. Discussion in 'Touring Models' started by Paule253, Sep 1, 2012. I'm with these guys. Oxygen sensors are part of the vehicle's emissions control system and it may or may not be legal to replace the O2 sensor with a dummy sensor. Some inline 6 cylinder engines have Bank 1 as Cylinders 1-3 and Bank 2 as Cylinders 4-6. Catalytic converter recycling can be even more profitable than you thought. O2 sensor is used to accurately set the air fuel mixture, you need to have one in good working condition. The converter is located in the exhaust system between the muffler and the exhaust manifolds. The data read from this sensor helps the motor adjust the fuel usage to maximize performance by providing the proper ratio of oxygen to fuel. It is very important this sensor is left in place as it is connected to the engine management system and to the dash engine warning light. As Kevin pointed out, it could run more efficiently without it. 2L Engine To Remove: Catalytic converter 2. 9 volts (rich). For engine calibration purposes, diagnostic purposes, datalogging and performance work a wideband O2 sensor is the correct tool for the job. I have noticed a slight increase in performance, Now its christmas and I could do without spending a fortune out for new cats, so I am thinking of either bypassing or removing the insides of the broken one. Catalytic Converter operation can be observed with a code scanner which can read the live date steam via the OBD II interface. Installing a test pipe should not have any ill affects on the sensor. Please Share DannysEnginePortal News. What is the most important emissions control device on a vehicle today? The catalytic converter, because it cleans up any exhaust pollutants that exit the engine. 2L engine Raise and safely support the vehicle. You just plug or splice them in and mount it to the undercarriage. i have a 2007 dodge charger R/t AWD and i noticed my gas mileage went from getting over 300 plus per full tank to not even 200. I see I have a O2 sensor after the cat. • Catalytic converter and PDF deletes /bypass on all vehicles • We professionally remove all Catalytic converters and PDFs for the best prices around. 6L V6 Engine; Recommendation on a Catalytic Converter With O2 Sensor On the Inlet Side ; Universal Catalytic Converter Fit on a 2005 Ford F-150 4. O2 Simulator Mini Cat Cel Fix, Big Daddies Garage Mini Catalytic Convertor Rear Oxygen Sensor Simulator is the best and easiestway to clear p0420 / p0430 codes for bad or missing catalytic converters. If you have O2 sensors aft of the converters and remove the converters it WILL throw a code and WILL adjust the fuel air mixture. This section of the converter can not currently be replaced with anything but a Genuine Toyota part. Use the original converter bolts to attach the bypass pipe, and tighten them with an adjustable wrench in a clockwise direction. Instructions for Catalytic Converter for the driver's side (Bank 2). Any car fitted with a catalytic convertor will also have what is called an oxygen sensor fitted into the exhaust system just forward of the converter. Check out free battery charging and engine diagnostic testing while you are in store. Due to his engineering background, Glenn Stok is skilled at solving technological problems, which has helped him save money on car repairs. The O2 sim has an output signal wire that will replace the O2 sensor's signal wire to the engine control module. To illustrate, many DIYers and professional mechanics might believe that changing an oxygen sensor will turn off the “check engine” light on a vehicle with a defective catalytic converter. Pick up an aftermarket or used one from a non rusty area. It's a hot job (literally) that operates at temperatures of 600 to 1000 degrees F. As it turned out just welding the old catalytic converter fixed the exhaust leak and also the O2 code. P0420 refers to the catalytic converter or - more specifically - the oxygen (O2) sensors before and after it on the bank 1 side of the exhaust system. Anyone remove the catalytic? Remove the catalytic converter? or you can go with one of the air sensor re-mappers like Boosterplug, or there is the FosterRAd. o2 sensors & catalytic converter diagnostics Converters typically fail one of two ways: they get too hot, melt and plug up, or the catalyst becomes contaminated and useless. At this mileage it could very well mean that the catalytic converter is failing to do it's job and needs to be replaced. A clean catalytic converter is an effective catalytic converter, so use these products to keep it clean so it can carry on doing its job. O2 Sensor and Cat bypass Pipe. Go to your nearest auto parts and ask for a Bypass pipe. Would it be worth taking it out? After the cat it's a y straight pipe. We treat our customers like family before and after every sale. Catalytic converters can overheat because of excessive amounts of unburned gas caused by a misfiring spark plug or a leaky exhaust valve. This can only be done with a specific kind of tool known www. after several researches online, i stumbled on the solution, applied it and IT WORKED FOR ME!!! The idea behind it is when you remove the cat the 2nd O2 sensor is going to have too much air reaching the. Do I need to get a tuned PCM that disables the after-cat O2 sensor? Otherwise, I suppose my best bet is going to be replacing it, but if I can remove it and not have an SES light on or shitty performance, by all means, I am going to do that instead. Separating fact from fiction can be a daunting task for any parts professional. Temporary exhaust leak test - If the converter is clogged, you will notice an increase in performance by opening the exhaust before the converter. hi to everyone,i'm proud owner of 97' Infinity QX4 i looked under the car and there's no rear oxygen sensor so i'm wondering if i remove both of the catalytic converter (since i don need to pass emission in my counrty) would i have any problems with the ECU and probably CEL on. How do I remove the AC System? 4. It sounds a lot meaner on idle and especially on WOT. We treat our customers like family before and after every sale. Stop in the shop, call us o. Thirdly, removing the catalytic converter may trigger a fault code which will illuminate the check engine light (assuming you have one). Is the critical unit is the upstream O2 sensor for emissions inspection? And what are the clear indications (based on scanner data) of a bad catalytic convertor, and by extension a failing rear O2 sensor? The secondary sensor is purely to monitor the efficiency of the catalytic converter and be a tattle tale if the converter isn't up to snuff. I'm about to take my truck to the shop tomorrow and dump 60$ for them to remove this O2 sensor. While you still have the new pipes off the vehicle, unbolt and remove the heat shield. Illegally removing a catalytic converter can result in serious. The Clean Air Act of 1990 made the removal of catalytic converters and other emissions control equipment from cars a federal crime, in addition to making it illegal to sell or install parts intended to bypass or deactivate the catalytic converter. 4 Benefits Of Removing Your Catalytic Converter. It is not a "bad sensor" bypass. Reconnect 02 sensor by pluging it in, then pull the ecu 15w fuse to reset it and you now have a Catalytic Bypass. Free Same Day Store Pickup. the computer is only looking for the reading from that one to be better than the one in front of the cat. I will also say that once we swapped the upstream o2 sensor, the CEL went off immediately. Use that same O2 sensor socket to remove the front O2 sensor, which is located at the bottom of the exhaust manifold, and the top of the pipe to the catalytic converter. Auto Simply read the codes and told me the P0420 is whats causing- and fixing the Catalytic Converter or Oxygen Sensor would help stop the gass leak- Im loosing gas 3 times as fast Im getting about 20 MPG right now. Road test the vehicle. 5-mm thread pitch is used, but check the sensor threads and diameter at the parts store when you buy it to make sure. Catalytic converters are one of those necessary evils required on your vehicle to help "clean-up" exhaust gases and keep the environment clean. Even worse, you need to have an annual. Rear O2 sensor bypass/CEL fix. If I remove the catalytic converter what do I with the O2 sensor? Do I leave it there or do I bypass it some way? I like to know what to do so my engine does not runs bad. Place the bypass pipe into the exhaust system where the converter was removed. Re: How can I bypass the catalytic converter o2 sensor on my 04 GLI (Mafiamike954) 11-05-2009 12:43 PM #2 Maybe try a O2 spacer or get a software that eliminates the rear O2 sensor. That not completely true, i had a test pipe and had to remove it and put the cat. Well, thank you for your response, and no by remove I meant to take it out, and put it through the cleaning process of the O2 sensor, which is pretty common as these sensors are fine but just get coated with carbon and gunk from the exhausts. Can a car operate without a catalytic converter? The forward O2 sensor(s) are usually located at the end of the exhaust manifold or just after the manifold in the. hi to everyone,i'm proud owner of 97' Infinity QX4 i looked under the car and there's no rear oxygen sensor so i'm wondering if i remove both of the catalytic converter (since i don need to pass emission in my counrty) would i have any problems with the ECU and probably CEL on. 5 TJ Wise idea to remove converter to gain more performance or bad idea. Locate the oxygen sensors. Let an automotive workshop do the job for you if you are not sure how to do it. Universal O2 Spacers with Catalytic Converters scrub the exhaust and lengthen the distance between the O2 sensor(s) and the exhaust flow to reduce the chance of a CEL. With tin snips, remove some sheet metal that will be in the way of the O2 sensor when you reassemble. Removal of a working catalytic converter by a shop is a violation of Federal law and can be punishable by a fine of up to $50,000 and possibly jail time. The other side is roughly a mirror image, but requires some moving of the car's intake parts to gain access to the O2 sensor. O/T Catalytic Converters - The O2 sensor trick. O2 Simulators are only installed on the post cat (rear) oxygen sensors usually located at or slightly past the catalytic converter. 00 mercedes W221 W216 S63 Cl63 Catalytic Converter Exhaust O2 Sensor Oem 2011-2013 mercedes W221 W216. The computer sets this code when it sees a signal from the rear O2 sensor start to change in time with the front O2 sensor. That is a catalyst efficiency code. You are probaly talking about the Second Oxigen Sensor or O2 sensor that all OBDII vehicles have and is located down near the Catalytic Converter. That not completely true, i had a test pipe and had to remove it and put the cat. The catalytic converter builds up back pressure in your exhaust system. I have a 2002 Spec Miata. Most cars these days also have a second sensor behind the catalytic converter, which looks like a metal cylinder on the exhaust line and is found right behind the front wheels. Thirdly, removing the catalytic converter may trigger a fault code which will illuminate the check engine light (assuming you have one). input from you folks is appreciated. Disconnect the heated oxygen sensor (HO2S) electrical connector. The rear narrowband o2 sensor is used not just for. Q: What to do with seniors after I take off the catalytic converter If you remove the oxygen sensors from your vehicle, you will ruin the efficiency of the engine, thus consuming around 10 to 20 percent more gas than otherwise. It was advised that one could remove. The answer to that question depends on a few variables. To perform the oxygen sensor test, refer to the article “How to test a bad o2 sensor” for instructions. but if an just rid of that piece of steelwool. A technician can determine if the sensor is responding as it should. RE: fake out O2 sensor IP: Logged Message: call summit racing 1800230 3030 they can get you a o2 plug loop to fake your comp. Its techically illegel to remove the cats-but unless your state has inspection no one will really know. How does a catalytic converter cleaner work? A catalyst is a substance that causes a reaction between one or more substances when it comes into contact with them. O2 Simulator Mini Cat, Angled, Straight Cel Fix, Big Daddies Garage stainless steel Oxygen Sensor Simulator is used to clear p0420 / p0430 codes for bad or missing catalytic converters. In other words, if you remove your cat from your 320, your o2 senors will fault which will trigger MAF problems undoubtly and probaly kill other systems over time. 6L V8 4x4; 2011 Ford F250 6. Remove the catalytic converter and install the bypass pipe. OK, that is not an 0/2 sensor problem. is proud to be the distributor for Catco Universal Catalytic Converters. 1987 - 1996 F150 & Larger F-Series Trucks - Can I remove catalytic converter? - I have a 1993 F250 with 351, 5spd. 7:1 so that the catalytic converter can function at its peak. The computer uses the readings from the narrow band oxygen sensor before the catalytic converter and the secondary sensor to determine if the cat is working properly. For emissions related purposes used in conjunction with catalytic converters a narrowband O2 sensor is essential (normally with a wideband O2 sensor in place as well for the full power engine calibration). That's a generic O2 sensor circuit overvoltage warning. my cats have this rattleing noise when i accelerate. S2000 Catalytic Converter Removal and Test Pipe Install By Rob Robinette If your car is a track only vehicle or you can get away with running without a catalytic converter, installing a test pipe in its place will free up your exhaust flow and add a few horsepower. BBK Front O2 Sensor Extension Harness; View Details. It might be difficult if it has become rusted into place, in which case you may want to spray some lubricating oil on it. it would be louder. The amount of oxygen brought in by the engine is dependent on a variety of factors such as the engine temperature, engine load, barometric pressure, etc. I knew from calling around getting estimates it would cost about 1k to replace or I could…. I drive a 2005 Toyota corolla matrix and I've had the CEL(Check engine light) on for a while now. At some point, the O2 sensors in your car may go out. Do to todays ecm's checking cat with o2 sensors. Skip to main content. Then repeat for the other sensor. It sucks, but you're going to need a few tools and some know-how to get it out so you can be back on your way. I would suggest, using a 22mm o2 sensor socket tool to remove the B2S1 sensor from the converter prior to removing the top heat shield. I think I have heard of a way to make the O2 sensor not go off but I couldnt find it on the forum. 0L Turbo) (actually the light is for the o2 sensor). Start by getting the car up on some safety stands, then roll underneath it with a. Catalytic Converter Removal & Installation 2. These will need to be adjusted after removing the CatConv for off-road or racing purposes. 5 TJ Wise idea to remove converter to gain more performance or bad idea. I monitored O2 sensor 2 (post second catalytic converter) activity and mV levels. don't worry it will not affect your performance. I say again, it would take tens of thousands of miles of driving without a functioning O2 sensor to damage the catalytic converter. remember that a "bypass" is usually just another word for cobb job. Step 2 - Removing the Converter. On the exhaust side, these are oxygen (O2) sensors, which detect how much oxygen is in the exhaust, and tell the computer how lean or rich the. Today I finished that project and plugged in my OBDII reader to find out that the latest code that had been thrown (probably 2 or 3 months ago) was P0141 (O2 Sensor Heater Circuit Malfunction {Bank 1, Sensor 2}), which means that the O2 sensor has failed. Root causes of this problem are a malfunctioning O2 sensor, plugged or inoperable fuel injectors, piston blow-by, leaking head gasket. 2l's Catalytic Converter? There is an O2 sensor before and after the cat, what will it take to keep the CEL off? I can tell you from experience. My 1996 Honda Accord failed the smog test. 11/4 Bolts 157/1 Firewall catalytic converter for cylinders 10-12 11/5 Nuts cylinders 1-3 158 Three-way catalytic converters 11/6 Sealing rings 157/2 Firewall catalytic converter for G3/7 Left O2 sensor upstream TWC cylinders 4-6 [KAT] for cylinders 7-9 Remove, Install 1 Remove lower engine compartment lining AR61. In anticipation that the O2 sensor would break or need to a severe mauling to remove it, I bought a new Bosch Universal. but if an just rid of that piece of steelwool. i really dont know why you wanna do that but i think its kindna stupid to bypass the 2nd O2 sensor. Its function is just to monitor the oxygen content down stream or after the cat converter and has nothing to do with the engine performance. If the voltage of the downstream O2 sensor is constantly jumping between 0. I have noticed a slight increase in performance, Now its christmas and I could do without spending a fortune out for new cats, so I am thinking of either bypassing or removing the insides of the broken one. Initially upon new installation of the catalytic converter, the readings from teh 2nd O2 sensor – the downsteam sensor that measures catalytic converter efficiency can be bizarre. Remove the wheel chocks and back the vehicle off of the ramps. I found that the o2 sensor was a big culprate. Let an automotive workshop do the job for you if you are not sure how to do it. Instructions for Catalytic Converter for the driver's side (Bank 2). If the catalyst is removed, the PCM usually starts reporting P0420,p0430 faults for catalyst. We've taken our O2 spacers a step further. If I replace o2 sensors and still have issues and have to truly replace the catalytic converter, is the new catalytic converter going to come with o2 sensors? Replacing sensors is my cheapest. We treat our customers like family before and after every sale. Universal O2 Spacers with real precious metal Catalytic Converters scrub the exhaust and lengthen the distance between the O2 sensor(s) and the exhaust flow to greatly reduce the chance of a check engine light or CEL. Technicians will put your vehicle on an electronic diagnostic machine to locate the source of the problem, possibly remove the oxygen sensor from the exhaust manifold or exhaust pipe ahead of the catalytic converter to see if that changes things, and replace the catalytic converter, if necessary. so do it right AND enjoy the performance of headers. The measurement from the oxygen sensor is then used by the engine's computer to properly adjust the air and fuel mixture in your vehicle. Yes removing it really makes a difference. O2 Simulators are only installed on the post cat (rear) oxygen sensors usually located at or slightly past the catalytic converter. Remember since it's tricking the system, the sensor still needs to funcutional and working. That not completely true, i had a test pipe and had to remove it and put the cat. If you are still determined to remove the Catalytic converter, then you will have to take off the O2 sensor. Diagnosing a plugged converter is fairly easy, but diagnosing converter efficiency requires tapping into the OBD II system with a scan tool to check for codes and to. With normal operation this O2 sensor produces almost no voltage because the catalytic converter gobbles up all the good stuff left in the exhaust. It costs like $59. Fortunately, Miata O2 sensor replacement is fairly straightforward, especially if you get a direct-fit O2 sensor. On the exhaust side, these are oxygen (O2) sensors, which detect how much oxygen is in the exhaust, and tell the computer how lean or rich the. 1 volts (lean) to 0. The o2 extender is called a spark plug defowler. Do I need to get a tuned PCM that disables the after-cat O2 sensor? Otherwise, I suppose my best bet is going to be replacing it, but if I can remove it and not have an SES light on or shitty performance, by all means, I am going to do that instead. Its not the converter under body but the 2 right off the manifiold, before the single one. Catalytic Converter Bypass Installation. Vehicles have either one or two post cat oxygen sensors and an o2 simulater should be installed on each post cat sensor to remove p0420 and p0430 check engine light codes for a bad or missing catalytic converter. I guess im wanting to know if one, has anyone done this to there trucks? I looked threw on this page and all i see is rice-boy honda civic forums about removing cat's for more horse. That is a catalyst efficiency code. You're O2 sensor can still be "bad" (putting out bogus signals), but as long as it's putting out something, we can modify it and fool the ECU into thinking that the rear O2 is okay, and that the catalytic converter is working like it should be (even if you don't have one). You overstate the risk by several orders of magnitude. Why bother disabling them? It's not like one would get a major power boost by doing so - most likely, the reverse (with the exception of gutting or removing catalytic converters - which is a federal offense). The O2 sensor monitors and measures the oxygen content in exhaust gases so that your engine will run on optimum and accurate air/fuel mixture. Wynn’s Catalytic converter and Oxygen sensor cleaner optimizes the efficiency of the catalytic converter and Oxygen sensors by removing harmful deposits and restoring your vehicle’s performance. If you have a check engine light, then this will illuminate on your heads-up display. At least to the post cat o2. You want to remove your catalytic converter on a 2000 Chevy S10 Blazer but not set a trouble and bypass the sensor with a dummy resistor or millivolt supply to fool it. How to Clean Catalytic Converters. The muffler dampens the sound, not the catalytic converter, so that should not be a problem, however the vehicle check engine light will always be on throwing converter/O2 sensor codes unless you get O2 sensor bypass that gives the O2 sensor readings the car expects. O2 Simulators are only installed on the post cat (rear) oxygen sensors usually located at or slightly past the catalytic converter. 6l) in an attempt to gain mileage and horsepower (we - Answered by a verified Ford Mechanic. so if i could get mor. Oxygen sensors are part of the vehicle's emissions control system and it may or may not be legal to replace the O2 sensor with a dummy sensor. Auto Simply read the codes and told me the P0420 is whats causing- and fixing the Catalytic Converter or Oxygen Sensor would help stop the gass leak- Im loosing gas 3 times as fast Im getting about 20 MPG right now. How does a catalytic converter cleaner work? A catalyst is a substance that causes a reaction between one or more substances when it comes into contact with them. Remove Catalytic converter, starting at the exhaust manifold. if you are putting in a "test pipe", just take your after cat o2 sensor and secure it somewhere under there, like zip tie it to something or whatever. Jeep Grand Cherokee owners have reported 9 problems related to o2 sensor (under the electrical system category). Is an O2 sensor necessary when the catalytic converter is replaced with a cat bypass tube? there is absolutely no reason to remove. Once the cat is removed, unscrew the front O2 sensor from the cat, this is important, as you will see in the next step. Sensor 1 is before the converter, Sensor 2 is behind the converter, Bank 1 and 2 are typically used in V-configuration where Bank 1 is on the side Cylinder 1 is located. Most cars these days also have a second sensor behind the catalytic converter, which looks like a metal cylinder on the exhaust line and is found right behind the front wheels. 2L engine Raise and safely support the vehicle. Without knowing the specific code, I will assume it relates to an inefficient catalytic converter. Results for "Catalytic Converter Test Pipe" Showing 26 Items. I have a 96 Z71 and had removed the converters it did throw a code but in addition to throwing a code it also screwed up my fuel economy. OBD II readiness tests for catalytic performance passed. The other side is roughly a mirror image, but requires some moving of the car's intake parts to gain access to the O2 sensor. But one can't keep buying O2 sensors and cat converters. Since all catalytic reactions depend on heat to happen, catalytic converters do not work as efficiently with long tube headers. The car will run fine since the ECU only uses the pre-cat o2's to adjust fuel. The rear oxygen sensor installed after the catalytic converter is called 'downstream' or Sensor 2. Catalytic Converter. Many car models today come with multiple catalytic converters and removing the extra one is becoming a popular automotive repair. Wynn’s Catalytic converter and Oxygen sensor cleaner optimizes the efficiency of the catalytic converter and Oxygen sensors by removing harmful deposits and restoring your vehicle’s performance. But yesterday I disconnected the battery because I installed a new car stereo and subwoofer. bad O2 sensor, or a bad converter. 1987 - 1996 F150 & Larger F-Series Trucks - Can I remove catalytic converter? - I have a 1993 F250 with 351, 5spd. However, this Prius has a problem with the front converter. Step 2 - Removing the Converter. The o2 extender is called a spark plug defowler. The muffler dampens the sound, not the catalytic converter, so that should not be a problem, however the vehicle check engine light will always be on throwing converter/O2 sensor codes unless you get O2 sensor bypass that gives the O2 sensor readings the car expects. Step 1 - Removing the Sensor. It's a hot job (literally) that operates at temperatures of 600 to 1000 degrees F. It sounds a lot meaner on idle and especially on WOT. Removing catalytic converter? I know it's illegal, but what kind of power increase would somebody expect to see from doing it? And the extra O2 Sensor? (Remember. Long story short: Is it a hack? Sure. Other engine problems, such as fuel trim running too rich or too lean, oil or coolant burning, or engine misfire problems could all lead to catalytic converter. The muffler dampens the sound, not the catalytic converter, so that should not be a problem, however the vehicle check engine light will always be on throwing converter/O2 sensor codes unless you get O2 sensor bypass that gives the O2 sensor readings the car expects. With tin snips, remove some sheet metal that will be in the way of the O2 sensor when you reassemble. If I remove the catalytic converter what do I with the O2 sensor? Do I leave it there or do I bypass it some way? I like to know what to do so my engine does not runs bad. Important note: XFORCE hi-flow catalytic converters are designed for off road and racing use only. Can your problem be related to a bad cat or O2 sensors? Sure. You just plug or splice them in and mount it to the undercarriage. After some investigation I have a solution that can save everyone a lot of money. The computer only needs a reading of 50 ohms from the o2 sensor to keep the 'check engine ' light off. Heating the sensor also keeps it cleaner and extends its life considerably. Like most other parts on your Corvette, they are prone to wear and over time can clog up. Check Engine Light On? Solution for Aftermarket H and X Pipe, or Catalytic Converter Delete For Off-Road RACING Applications. The catalytic converter is made of an aluminum oxide honeycomb coated with platinum and palladium. When you remove your catalytic converter, your post O2 sensor will see higher temperatures and greater flow of unburnt fuel. OBD II readiness tests for catalytic performance passed. out of my car. Can someone tell me how many catalytic converters does a w203 have? I drive a 2001 C180 (non kompressor). My Honda dealer is telling me that the catalytic converter needs to be replaced at 81,000 miles. How do I remove the AC System? 4. I'm with these guys. It's a hot job (literally) that operates at temperatures of 600 to 1000 degrees F. The smog technician highlighted these three things: A/C Refrigerant, Oxygen Sensor, and Catalytic Converter Efficiency. Discussion in 'Touring Models' started by Paule253, Sep 1, 2012. Will I get a CEL? This is for down the road, should one of them fail. Left and right sensor positions are found in reference to the rear of the engine (the side opposite of the belts). With normal operation this O2 sensor produces almost no voltage because the catalytic converter gobbles up all the good stuff left in the exhaust. What must be done next is to determine the correct answer to that question, by testing the rear o2 sensor and by performing a catalytic converter efficiency test and evaluating fuel trim. Over time deposits form on you Catalytic converter and oxygen sensor rendering your vehicle’s performance lower than it should be. thanks Amy. so if i could get mor. Simply remove the O2 sensor using your wrench. Separating fact from fiction can be a daunting task for any parts professional. Keeping my exhaust i have on now, and removing my catalytic converter. 98 Ships directly from the manufacturer in. Prius 1st gen - Replacing the Catalytic Converters The down stream O2 sensor can be accessed by removing the floorboards in the passenger compartment. Try Prime 90 Degree Oxygen O2 Sensor Socket Real Mini Catalytic Converter 201 Stainless. I hooked the jeep up to a obd2 scanner at work to monitor the voltage output of the o2 sensor and it was between. This is what the four wires on the celicas 02 sensors are. It had been just zip tied up to the e-brake cable for a long time but I just removed the e-brake and decided that this o2 sensor and cable needs to go if it serves no purpose. OK, that is not an 0/2 sensor problem. Step 6: Remove the oxygen sensor. The oxygen sensor is located before the catalytic converter because the air/fuel mixture ratio cannot be accurately calculated after the exhaust gases have been processed through the CAT.