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P1151 Diagnostic Trouble Code Discussion for December 2010

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 XLS 3.0L MIL Lamp on VIN: 1FMYU041X1
P1151: HO2S B2S1 switchpoint indicates lean condition. Code in dicates a lean condition but monitioring datastream shows normal switching of all O2 sensors. No driveability problems. Fuel trims seem normal. Customer states that check engine light has been a problem since vehicle was new. My question is, is there a...
December 01, 2010