If you are using a universal oxygen sensor, you will need to use the diagram that came with the sensor to find out which wires to splice. A misfiring spark plug or a leaky exhaust valve - even a leak in the exhaust manifold gasket - may allow enough air into the exhaust to screw up the sensor readings. Chevy silverado o2 sensor eliminator If your car has check engine light on for a bad oxygen sensor code, that means it needs replacing. O2 sensors are vital car sensors that are designed to monitor the fuel/air mix in your vehicle’s engine. He wants to feed H2 into his air intake and use that for fuel instead of gas, but to use less gas won't he have to trick his O2 sensor? Sorry Marthy but I did not mean to ask whether the DynoJet O2 sensor would take the place of the stock O2 sensor, feeding info to the ECU. Jan 10, 2018 "Nice sequence to explain how to do it. " If the signal reads .45 volts, then the mixture is correct. So it will trick te computer into thinking that there is a cat installed. but untill i get the extra money to fix them, i clamped some exaust pipe in place of the cats. Is there a way I can trick the o2 sensors … more. Tighten your new Audi oxygen sensor on eBay to the new sensor hand tight, then turn an extra 1/2-3/4 turn. Continue with Facebook. It worked on my 355 and and after 2500 miles, still no code. Light went off. Chevy silverado o2 sensor eliminator. I live in NY so turning the rears off are not going to get it done for inspection. Basically it tells the computer the O2 sensor is in range. The O2 sensor is constantly in a state of transition between high and low voltage. In reality, these sensors won't fail for many years. The trick is simple, you simply stuff the plug defouler extension with steel wool. Facebook. Do the spark plug non-foulers trick work? It has been brought into the automotive world for cleaning the gunk out of a car or truck engine. Twitter. It is important to remember that the O2 sensor is comparing the amount of Oxygen inside and outside the … Share. 1 - 15 of 15 Posts. They send their readings to the car’s engine management system so that your vehicle runs efficiently. Your upstream or before cat o2 sensors are what determines if you are running the proper air/fuel ratio. i have a 2000 chevy silverado. Subscribe to my youtube channel here: https://goo.gl/j1pCfn. Linkedin. I was going to test the plug first. I am re doing the exhaust and would like to just take the CATS off since I have Hedman LT Headers and electric cutouts. However, like all mechanical devices, they fail at one point in time and need to be replaced. I just unbolted my exhaust behind the cat and dropped the pipe down to get at the O2 sensor nuts that are kind of hidden behind a heat shield. Having a precat O2 ssensor has nothing to do with being MAF, SD or OBD1 or OBD2. You should be able to find it with a bit of google-fu. I was told that there is a bypass? Jorge Almaraz. It was flashed to eliminate the cutoff on deceleration and smooth the fly by wire jerkyness. A common trick in the Mustang world when a non-catted exhaust i sused is a MIL Eliminator. Its role is to inform the ECU of the oxygen content of the burned gases that result from combustion. If you use a racing header or downpipe it comes with bung holes to place the 02 sensors in. I’ve read elsewhere that having a bad downstream O2 sensor doesn’t affect anything else related to engine performance or settings.. it just sets a P0420 code and turns on the engine light. Reply. Pinch in the side(s) that flexes, pull out. This defouler will get rid of the P0420 code for a bad Catalytic Converter, for those of you who have a test pipe or those of you that like me, gutted their catalytic converter. The first step is to remove the rear Cat O2 sensors or the second O2 sensor — which is not an easy task. The O2 sensor helps to ensure proper pollution levels are maintained. I just replaced the O2 sensor on my truck. Cleaned O2 sensor overnight. Les Hunt. I meant to ask whether he installed the DynoJet O2 sensor in the location on the exhaust where the stock O2 sensor was installed, or did he leave the obsolete stock sensor in place and attach the DynoJet sensor beside the stock sensor. I have a 1994 k1500 with 350ci Thanks I just had it made as a precaution. Joined Apr 16 ... Don't bother buying that special O2 sensor socket. Perform these simple tests to determine the integrity of your oxygen sensor. How would you go about doing this? Guillermo Mancilla . My ECU has been flashed but not to bypass the O2 sensor. Also if your state does smog inspections you may fail a meter or visual check or both. Because the sensor reacts to oxygen in the exhaust and not fuel, any engine problem that allows unburned air to pass through the cylinders will also trick an O2 sensor into reading lean. you didn't hear about it from me... Save Share. I have searched the forums regarding the rear O2 sensors and being able to trick the computer when using an off road x-pipe, with no specific sucess. WhatsApp. Continue with Google. The higher the number of O2 cross counts, the better the sensor and other parts of the computer control system are working. Seafoam was first introduced in the marine world for cleaning the gunk out of a marine engine. It looks like a handle coming out of the pipe. 42009 that comes in par from Autozone. 199. for the O2 sensor if you don't have a cat on the truck anymore. That helps trick the 02 sensor but it likely was unnecessary. I was able to reach in there and get the open end wrench in there, because that tool is very slim. The oxygen sensor is mounted inside the exhaust system of the vehicle and measures the amount of oxygen in the emissions. In my case I had a de-fouler made which you can see clearly in my third pic above. You cannot disable the precat O2 sensors, you can disable the postcats. It was about $52 on Amazon for a Denso. Feb 21, 2019 "It gives useful information and a nice walkthrough on the how-to procedure." peace\ Hog Some people think that it … Oxygen sensor location, diagnosis, removal and repair. FWIW Speed density vehicles still use an O2 sensor for af ratio calcs. A bad O2 sensor will negatively effect the performance of your vehicle. Oxygen sensors, commonly called O2 sensors, measure the air/fuel mixture, as it burns in your engine.
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