Jul 11, 2009 · The O2 sensor harnesses are ready to be re-installed on the main engine wiring harness (without the sensor connected), and routed to the "drug bin." Take the O2 sensors you have cut from …

Jun 9, 2015 · So, after 331K, the post-cat O2 sensors are finally throwing faults (surprisingly, in unison) in my 325Ci. Firstly, can I safely assume that the post-cat sensors on an E46 have no effect on …

Mar 5, 2005 · you cant bypass the o2 sensor, because the ecu needs the readings from the o2 sensor. you can tell the ecu that it is running properly with an o2 sim. the only symtoms you'll get is a CEL …

Nov 8, 2012 · anybody else having o2 sensor heater and secondary air readiness not setting after this mod (no fault codes though)? I'm think of re-attaching the o2s and see if the car will set readiness for …

Jul 2, 2006 · Shouldn't be a problem as long as it is easy enough to put in the O2 sensors. If you have trouble getting them in, you will probably have a problem pulling them out.

Sep 25, 2007 · o2 Sensor Bypass? 3000GT/Stealth Car ForumsOk so i have a slight problem with my 1997 3000gt VR4. I bought it a year ago in July 06 and everything was perfect for being a car that is …

Sep 13, 2018 · But i wonder. Does the presence of CATACLEAN in the fuel have any impact on the O2 sensors while conduction this kind of test.? After all, the point of CATACLEAN is to clean the O2 …

Jul 28, 2005 · The O2 signal affects the Air, timing and fuel injector pulse time. The PCM will go to a default setting with no signal from the O2 Sensor. (I'm not sure about what the mixture is rich -lean) …

Mar 23, 2006 · The puzzler for me is why the sim apparently works OK on 1996-99 neons -- the downstream O2 sensor has an effect on fuel control on those cars too. FINALLY, I do not …

Jan 26, 2022 · This also allowed me to do other stuff with my e46 like the secondary air pump delete, post cat o2 sensor delete, and change my RPM limit. Will plan on doing a 330i intake manifold swap …