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[craigswardmtb]

I actually had a bad TPS sensor. I replaced that, and it didn't fix the problem. Then i brought it to the dealer thinking it must be the wiring harness. They said they did nothing and i picked the car up and it ran perfect. Maybe the dealer just cleared the codes and reset the PCM and it then recognized the proper signal coming from the new TPS. Or at least thats my rationale as to why it didn't fix the problem immediately after i replaced the TPS and it magically was fine after i picked it up from the dealer. 3-4000 miles later and it is still running perfect. My symptoms were different than most. My car constantly idled at 3000rpms. There was never a second after the problem appeared where it ran and idled somewhat normal. The wire wiggle test didn't affect the idle control, it stayed at 3000rpms. So it somewhat makes sense that one of the resistors in the TPS may have shorted, or melted. Some seriously hot air gets blown off of the radiator onto the TPS.

Now that i have a new throttle body i think i won't be heading to the delaer if the problem recurrs. I think i may just retape the whole wiring harness just for piece of mind, including the IAC wiring. The IAC wiring looks like that has more potential for wire breaks than the TPS wiring. I reccommend taking the zip tie off of the IAC wiring that the mfg put on it. It just bends the wiring at more of an angle making it more prone to breaking.

Thanks for letting us know how you handled the problem Nivvo.