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rev the engine the rpms go up to 5k and only come down and stay at 3k

Posted by 95'RS-T, Mar 23, 2009

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  1. 95'RS-T

    95'RS-T Proven Member

    Joined Mar 10, 2009
    Germansville, Pennsylvania
    while the car is running if i rev the engine the rpms go up to 5k and only come down and stay at 3k like its continuing to rev i have no clue why this is doing this i was thinking it was that sensor where the stock air filter was but im not sure. i also did some research before i posted but at this point im lost and could use some guidance thanks.

    463  0

    1995 Mitsubishi Eclipse GST
    · 2G DSM
  2. DSM_PWR

    DSM_PWR Proven Member

    Joined Oct 12, 2007
    Austin, Texas
    I had this problem a long while ago but cant remember the fix :hmm:

    If i can remember, i think it was vacuum leak related..

    So double check your vacuum lines, boost leaks, TB etc..

    Possibly also your ISC

    3K  0

    1998 Mitsubishi Eclipse GST
    · 2G DSM

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