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P1177 Diagnostic Trouble Code Discussion for June 2004

Electronic Throttle System Motor No. 2 Open or Shorted

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Trouble Ticket Help Requests for DTC P1177
Help Request Posted
1997 Land Rover Discovery SE7 4.0L Excessive Emissions, MIL Lamp on, Low Power VIN: SALJYR4XVA
P1177: Max Neg. FMFR Correction Fault. Fello Techs, I suspect I have a faulty PCM, however I thought some suggestions on your experience with this problem would be helpful considering the cost. I have verified MAF voltage change and connector integrity into the PCM, the values are posted above. Th...
June 18, 2004