2002 Oldsmobile Alero "change o2 sensor 2" Questions

change the O2 sensor? Is it complicated? No it's not hard but you need an 02 wrench and it cost 8 bucks, disconnect the wire harness and put the socket on and unscrew it and install the new one, there

...O2 sensor indicated on OBDII. Two weeks ago wouldn't come to ready for same reasons (evaporative system and O2 sensor) so I had the upstream O2 sensor changed, then I drove cycled it the last 2 ...

...O2 SENSOR, O2 SENSOR AND CATALYST NOT READY HAVE DRIVEN OVER 2000 MILES,AND COMPLETED DRIVE CYCLE,STILL WONT GO INTO READY STATUS TO PASS EMISSIONS, CHECK ENGINE LIGHT IS ON READS CODE P0440 HAVE ...

...o2 sensor did u change the right o2 sensor there is 2 sensors on bank1 and 2 on bank2.....upstream and down stream.....i had the same prob i changed the o2 senser to the other side to check and make ...

...o2 sensor,changed 02 still light on Your van has four o2 sensor's, the code should tell you which one is bad for exsample code should be like, o2 sensor bank 1 sensor 1 or 2 o2 sensor bank 2 sensor 1 ...

o2 sensor 2 scan tool readings only 30 and no fluctuation. What do I look for? changed intake gaskets and spark plugs and boots and both up stream sensors. bank 2 has low readings and no fluctuations.

...O2 sensor related problems and have changed both but the check engine light stays on. What to do next? You said you changed the O2 sensors, which ones? I do believe that sensor 2 is the Catalyst ...

change 02 sensor on bank 1 sensor2 I did but engine light is still on 2004 chevy tahoe code p 0136 refers to heated oxygen sensor (HO2S) 2 bank 1 ---circuit malfunction===causes ---heating inoperative

o2 sensor heater circuit. while many times replacement of the o2 sensor can solve this problem you possibly have a short or open in your o2 sensor heater circuit. Also was the proper o2 sensor changed

...1&2 rich change the o2 sensors and have the codes cleared that should fix your problem change your o2 sensor's and the other problem should go away but you are still gonna have to clear the ...