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P1121 Diagnostic Trouble Code Discussion for February 2007

Electronic Throttle Control Actuator Malfunction

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Trouble Ticket Help Requests for DTC P1121
Help Request Posted
2000 Toyota Tundra SR5 4.7L throttle response VIN: 5TBBT4413Y
P1121: ETCS Accelerator Pedal Position Sensor Performance. Test drove vehicle to attempt duplicating concern. Haven't duplicated at this time. Customer states that after stopping at light engine lost throttle response. Shut vehicle off and restarted. Concern had gone away but comes back intermittently. I viewed the 2 ...
February 14, 2007
1999 Ford Ranger XL 3.0L Poor Idle Quality, Hesitation, Stall VIN: 1FTZR15V5X
P1121: TPS insonsistant w/ MAF occured during testing. ... Thanks for taking the time to read this. Ok we brought this one in on the hook. Customer said all was normal driving ok. Went to the post office, came out and it would not go. He thought it was a clutch linkage problem.. At first it would not run start a...
February 19, 2007