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Throttle position switch

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  • #1

    Throttle position switch

    Really? It's just a pair of switches in that big, obnoxious housing?

    I was messing about, figured that since there were so many random little issues with my car, I should check this... The last time it wouldn't start, rapidly depressing the throttle would make the tach jump when the key was on. There appears to be no wires affected by the movement of any part of the pedal or linkage/cable, so I piped the cover off the TPS and found that...

    How to properly set the adjustment of the tps?
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  • #2
    Are you talking about the VAF?
    91 Festiva BP Autocross/Track/Rallycross hopeful
    14 C7 Z51

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    • #3
      I believe the TPS is only used to sense idle and WOT positions. Not really much there. If you search the Repair forum, I remember a detailed thread about the TPS around 2 years ago...
      Brian

      93L - 5SP, FMS springs, 323 alloys, 1st gen B6, ported head & intake, FMS cam, ported exhaust manifold w/2-1/4" head pipe.
      04 Mustang GT, 5SP, CAI, TFS plenum, 70mm TB, catted X, Pypes 304SS cat-back, Hurst Billet+ shifter, SCT/Bama tuned....4.10's & cams coming soon
      62 Galaxie 2D sedan project- 428, 3x2V, 4SP, 3.89TLOC

      1 wife, 2 kids, 9 dogs, 4 cats......
      Not enough time or money for any of them

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