Okay, so Ive got an SS Crewman 2004 5.7 MFI, And Ive had nothing but trouble with it in the 2 weeks I've owned it. Most of the troubles Ive worked out, but the TPS sensor keeps on playing up whilst I'm stopped in gear, with the car at NOP, goes away after a while once I'm moving again. I've replaced the TPS, IAC, cleaned the MAF, done the required tests to all three of those components, adjusted the throttle cable, cleaned the contacts, undone the harness and checked the wires most of the way along it, taken off and cleaned the throttle body and reset the PCM. The only other things wrong with the car is the butchered exhaust, and a few noises in the suspension, but I''ve fixed the worst of them, I've spent over 2.5k on this car since I bought it, and the TPS code is the last thing bugging me any help/similar experiences would be helpful thanks. Code: P0121 TPS sensor 1/APP sensor 1 problem.
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