Questions & Answers for: Pontiac Sunfire 02 sensors

how do I replace the 02 sensor How do I replace the 02 sensor well you first need to know which 02 sensor but if you know all it takes is usually a 7/8ths wrench. sometimes you need an 02 sensor ...

...been losing coolant but its not on the ground. I had an emissions test and my evap, catalyst, my 02 sensor, and 02 all shows not ready. I had my check engine light reset and it hasn't come back on ...

...is not working too the same standards that the old one was. Did you use a one type fit alls 02 sensor that uses the old connector and you have to splice the wires? Read this info... P0133 - ...

2003 pontaic sunfire had new 02 sensor put in check engine light came back on? Are you reset the other store codes after to new O2 replace? Try it and tell us news.

hello i did a diagnostic on my 98 poniac sunfire and this is what it read heater circut? po 141? 02 bank1,sensor2? could u tell me what this means please and thank you It's the 02 sensor behind your ...

...and the air filter. After driving 200 Klm. the engin light went on and read code po137. Low volts, 02 sesor. a rich runnig engin will make that code go on. Did someone have that problem? And what ...

02 Sunfire running rough I have an 02 Sunfire that intermittenly was stalling when I would slow down and when it didn't stall it would run rough. It would actually run better in colder weather

2003 pontiac sunfire code po303,, monitors catlyst, evap, 02 sensor, 02 heater,, misfire on no.3 cylinder, fuel, comp,, car has ruff idle, very hot at rear of catayalic converter, poor gas milage, has

overheating when I use the heater I have an 02 sunfire 2.2L OVC, more like an 01. its a plit year. I replaced the radiator because of a leak and replaced the hoses as well. when I run the car it runs ...

Where Is the bank 1 02 sensor on a 2003 Pontiac sunfire sensor 1 or sensor 2----- sensor 1 is in front of the cat converter 2 is behind converter on the exhaust system