Code P0141 - which O2 Sensor? - Maintenance and Repair Forum

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Code P0141 - which O2 Sensor?
Wednesday, September 13, 2006 3:04 PM
Could someone tell me what one of the two oxygen sensors is bad for code P0141?
My car is a 1999 Cavalier Z24.
Thanks.

Re: Code P0141 - which O2 Sensor?
Wednesday, September 13, 2006 3:37 PM
P0141 should be referencing sensor 2 (output of cat). It is indicating that the sensor heater current is low. Check your O2 heater voltage fuse before assuming the sensor is bad. Also check the wiring, connector, etc.




Edited 1 time(s). Last edited Wednesday, September 13, 2006 3:39 PM


Re: Code P0141 - which O2 Sensor?
Thursday, September 14, 2006 11:31 AM
When you say fuse I take it that you mean the one in the fuse box not some unknown inline fuse, correct?
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