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P1151 Diagnostic Trouble Code Discussion for September 2009

Electronic Throttle System Sub Accelerator Position Sensor 2 Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1151
Help Request Posted
1996 Ford Mustang GT 4.6L Poor Idle Quality, MIL Lamp on VIN: 1FALP42X2T
P1151: bank 2 correcting for lean condition. ... problems. Has been to several shops, now it is my turn. Idles OK till it goes into closed loop, then it has a slight rythmic lope, idles rough. P1151 is for HO2S21 not switching, is correcting rich for a lean condition. R&R HO2S21, no help, installed o...
September 30, 2009