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P1121 Diagnostic Trouble Code Discussion for August 2007

Electronic Throttle Control Actuator Malfunction


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Trouble Ticket Help Requests for DTC P1121
Help Request Posted
1997 Ford Expedition Eddie Bauer 5.4L Poor Idle Quality, MIL Lamp on VIN: 1FMFU18L5V
P1121: TPS inconsistant with MAF. this vehicle has had a intermittant problem for a while. about a year ago had codes for tps. i replaced tps.problem did not reoccur for a while.now its back with the above codes what i have done is checked tps value with scan tool sometimes its normal.89volts ...
August 01, 2007
1997 Ford Taurus SHO 3.4L Excessive Emissions, No Start, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FALP54N5V
P1121: pr sensor inconsistent w/ maf. customer's complaint and was verified...engine just died usually at stop signs. (like key turned off)sometimes restarts immediately, sometimes with key cycle from off to run a few times would restart and run find. we read about the tps needing the pins soldere...
August 27, 2007