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P1151 Diagnostic Trouble Code Discussion for March 2014

Electronic Throttle System Sub Accelerator Position Sensor 2 Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1151
Help Request Posted
1998 Ford Mustang 3.8L Stall, MIL Lamp on VIN: 1FAFP4044W
P1151: HO2S21 Sensor Indicates Lean. ... , "would not accelerate" and "would not go above 2000 RPM" Took vehicle for test drive; It had a extended crank during start up. Seemed to idle OK. During test drive would lose power anytime I accelerated past half throttle. engine would st...
March 02, 2014
1998 Ford Mustang 3.8L Stall, MIL Lamp on VIN: 1FAFP4044W
P1151: HO2S21 Sensor Indicates Lean. ... , "would not accelerate" and "would not go above 2000 RPM" Took vehicle for test drive; It had a extended crank during start up. Seemed to idle OK. During test drive would lose power anytime I accelerated past half throttle. engine would st...
March 03, 2014