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P1151 Diagnostic Trouble Code Discussion for December 2008

Electronic Throttle System Sub Accelerator Position Sensor 2 Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1151
Help Request Posted
2001 Ford Escape XLT 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMCU04101
P1151: Ho2s21 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