Questions & Answers for: Chevrolet Tahoe symptoms if o2 sensor has failed

O2 SENSOR I replaced one of my O2 sensors back in November 2007 after a trip to Colorado. We just went on vacation back to Colorado and again on our way home the check engine light came on and it was ...

...O2 sensor malfunction). It could be a plugged catalytic converter/muffler/etc, or bad sensors. If those dont remedy it, what else could be causing the prob? (trying to trouble shoot before jumping ...

...o2 sensor to fail.Also I have never had all 4 sensors go bad at one time.You could have other problems.Vacuum leaks,plugged air filter,bad connections,or bad grounds.These vehicles are also good for ...

o2 is a sensor. You could try replacing the correct one (up to 4 o2 sensors are possible any given vehicle). If check engine light is still on, have the codes cleared, have scan performed again to get

...o2 sensor bank2 (bank2 is the side of the engine opposite of your number1 cylinder) detecting a rich condition (too little oxygen in exhaust). Driveability should be fine but you may develop a ...

I bought a 1998 Chevy Tahoe. It had a salvage title on it I had a Level 3 inspection, it passed and now has a restored salvage title however it has not passed emissions due to a computer code p0430 ...

...sensor is reading.2. I would try unplugginh the upstream O2 sensors and see if the condition improves. It is possible that there are stuck rich or lean and causing your symptom.I assume it is running ...

...O2 sensor bank 1 sensor 2, after driving for 30 miles car now indicates code 1133, what should be looking at to repair or replace. Error code p1133 indicates faulty O2 sensor on Bank-1 sensor-1. The ...

...o2 sensor, installed new o2 sensor but engine light stays on. code says bad which sensor was replaced there are 2 sensors involved one after the cat converter and one in the exhaust manifold /pipe ...

...O2 sensor readings to adjust fuel delivery (among other things). When an O2 sensor packs it in, the ECM falls back to a predetermined operating mode to keep the engine running (usually with poor fuel ...