Code error P0141

2002 JEEP LIBERTY
240 MILES • 3.7L • 6 CYL • 2WD • AUTOMATIC
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RJCALI
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  • 1 POST
What O2 sensor do I need to replace?
Sep 26, 2019 at 12:11 PM
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BMDOUBLE
  • CERTIFIED EXPERT
  • 1,139 POSTS
Sensor is on bank 1 downstream. There is a pinpoint test, but in my experience if it's only one sensor heater code, the sensor heater element has failed. On rare occasion it's a circuit issue, and on super rare occasion it's a module issue. I attached a picture of the location.
Sep 26, 2019 at 12:50 PM