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RPMS all over the place after PP TB install

This is a discussion on RPMS all over the place after PP TB install within the External Engine forums, part of the LSx Technical Help Section category; I bought a PP TB and at first when i installed it the car was idling at 3,000 RPM. After ...

  1. #1
    NY Representative basballny2's Avatar
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    2001 ws6

    RPMS all over the place after PP TB install

    I bought a PP TB and at first when i installed it the car was idling at 3,000 RPM. After a quick look realized the hole to the butterfly was made bigger allowing more air so i replaced the butterfly for the stock one. Now the car idles at 1100 RPM and drives fine HOWEVER, when you shift or even engage the clutch the RPM jumps back up to 3000 but once you shift into gear the RPMs are normal. Any ideas?

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    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    make sure the idle screw is adjusted properly so that the TPS voltage is between .4 and .6 volts at idle.

  3. #3
    your parts guy!!! 1fastcamarosss11's Avatar
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    trans am 00 ws6
    1998 camaro ss vert

    I WAS JUST DOING THIS ON MINE TONIGHT. SORRY caps.
    i adjusted the screw a few time and it was better.

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    NY Representative basballny2's Avatar
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    hopefully thats it

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