Help!!! Cel On And Diagnostic Check [Archive] - GrandAmGT.com Forum

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gt5spd
12-28-2004, 12:11 PM
Hey I got the diagnostic check and it was p141 which is the oxygen sensor. It comes up bank 1 and 2 sensor but is the 2nd sensor. She says it is $80 for the one after the catalytic converter and $21 for the before the catalytic converter. I guess I need the one after right? Also can anyone give me some kind of instructions on how to install this?

gt5spd
12-28-2004, 06:53 PM
ok i know its the one after now. Can someone help me with the install though?

sinnahjay
02-25-2005, 03:17 PM
Does anyone know if a bad o2 sensor would cause your car to idle like it has a misfire? I changed my spark plugs a couple of weeks ago and the car was running fine. A couple of days ago it seemed like my car was misfiring while idling and my SES light was on but it didn't show a cylinder misfire, instead, it showed a P0141 code for an O2 sensor. If I replace the O2 sensor, would the idle return to normal or should I get it checked by a mechanic? Also, someone told me I might have a bad valve but that's more stress I don't need. Any suggestions, please let me know.