Code reader says Oxygen Sensor bank 1 heater.

Tiny
ANONYMOUS
  • 2004 JEEP GRAND CHEROKEE
  • 101,000 MILES

Code reader says "Oxygen Sensor bank 1 heater performance"
What does this mean

Friday, December 28th, 2012 AT 9:31 PM

1 Reply

Tiny
DOCFIXIT
  • EXPERT
  • 18,988 POSTS

The heater circuit of O2 is either open or shorted heater neded to heat up O2 quicker

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Friday, December 28th, 2012 AT 9:45 PM

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