Thread: Fun TPS Issues

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  1. #1 Fun TPS Issues 
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    My car has had an issue for some time that has finally gotten on my nerves enough for me to make a post about it searching for a solution.

    I have a N* TB and have tried at least three different TPS and at least two different brands of TPS.

    The issue is that the TPS will erratically show non zero values despite there being absolutely no throttle input. It will sometimes only show up to 1% and then go back to zero and other times I've seen it go up to 8% and then back to zero. It will almost never sit at zero.

    As you can guess this causes some erratic idle speeds too. I'm not sure what else to troubleshoot since I've tried the TPS itself.

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    Gen V M90 | 3.2" Pulley | N* Throttle Body | ZZP SSIC | S1X Blower Cam | INTENSE SIII Heads | 42# Injectors | Pacesetter Headers | Aluminum Subframe | ZZP Lowering Springs | KYB AGX Struts
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  2. #2 Re: Fun TPS Issues 
    I can't car too good. SaukRapids's Avatar
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    Erratic idle? Look for a vac leak. Could be as simple as the vacuum harness or one of the T's. How's your maf? Clean or screen ripped out for extra "performance"?

    The same thing happening several times, I'd start looking at a different area.
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