P1138 Diagnostic Trouble Code Discussion for August 2015
Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage During Decel Fuel Cutoff
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| Help Request | Posted | |
| 2001 Ford Taurus SES 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1FAFP55U61 P1138: HO2S12 sensor indicates rich. Hello all, 2001 Taurus with a rich running cond. Warm and idleing in the bay now and black smoke is rolling out of the tailpipe. Injector pulse at 4.9 to 5.1( both banks) at idle,front o2s are 907 and 798,open loop after running for a hour. Can get o2s to drop... |
August 11, 2015 |
