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P1151 Diagnostic Trouble Code Discussion for July 2004

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 Thunderbird LX 3.8L Hesitation, Cuts out, MIL Lamp on VIN: 1F4LP6244T
When test drove car lost power on uphill grade and on a wot car fell flat and no acel. Pops back through intake on wot. Good spark and fuel press. O2 sensors are white and powdery plugs are burning lean.
July 09, 2004
1996 Ford E-150 Econoline 4.9L MIL Lamp on VIN: 1FTEE14Y7T
P1151: O2 Lean. This van came in with MIL on and codes P1151 & PO174. We had the PCM reprogrammed as per a TSB for this year and engine combination. The same 2 codes were back within a day. The freeze frame data was 9mph, 65.5% load, 1374 RPM, STB1 -0.7%, LTB1 3.9%, STB2 ...
July 29, 2004