code reader says "Oxygen Sensor bank 1 heater performance"
What does this mean
What does this mean
Dec 28, 2012 at 1:31 PM
2004 Jeep Grand Cherokee Code Reader Oxygen Sensor Bank 1 Heater Performance
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The heater circuit of O2 is either open or shorted heater neded to heat up O2 quicker
Dec 28, 2012 at 1:45 PM
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