Code error P0141

Tiny
RJCALI
  • MEMBER
  • 2002 JEEP LIBERTY
  • 3.7L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 240 MILES
What O2 sensor do I need to replace?
Thursday, September 26th, 2019 AT 12:11 PM

1 Reply

Tiny
BMDOUBLE
  • MECHANIC
  • 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.
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Thursday, September 26th, 2019 AT 12:50 PM

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