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P1130 Diagnostic Trouble Code Discussion for August 2010

Heated Oxygen Sensor (HO2S-12/HO2S-13) Signal Circuit Demand Changing

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Trouble Ticket Help Requests for DTC P1130
Help Request Posted
2002 Ford Explorer XLT 4.6L Surge, Misfire, MIL Lamp on VIN: 1FMDU73W82
P1130: O2 sensor 1/1 rich limit. this will not accelerate except at wot. at medium throttle openings it falls on it's face. the 1/1 O2 sensor reads 1587mv engine running and over 1000mv koeo. tried a new bosch O2 sensor, and no difference. swapped sensors side to side, (other one was an oem s...
August 17, 2010