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P1157 Diagnostic Trouble Code Discussion for December 2008

Air Fuel Sensor (Bank 1 Sensor 1) AFS Line High Voltage

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Trouble Ticket Help Requests for DTC P1157
Help Request Posted
2001 Ford Escape XLT 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMCU04101
P1157: Ho2s22 indicates lean. Hi guys, Thanks for this "look see" at my problem. This car has the following odd symptoms. Engine idling: open loop, #1 misfire. After accelorating: different speeds, misfire dissappears when closed loop is achieved(about). After stopping, misfire re...
December 04, 2008