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surging rpms

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    #1

    surging rpms

    i just installed a short ram intake and now when i barely press the gas it surges up to almost 2k. as in when im backing out of the driveway i dont hit the gas the car just hits the friction point and takes off. it also surges when i shift sometimes. any ideas what could cause this? sri is a relatively easy install so im pretty sure i didnt mess anything up but i could be wrong, thanks
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    #2
    sometimes a cleaning of the throttle body helps as well as adjusting the idle.

    Does it only do it when its cold? If it does search "FITV"
    What makes me laugh about forums, is that no matter how much you try to help someone, they dont take the advice. Go ahead and do it the hard way.

    You got to respect what you drive, and appreciate what you have, making the best of what you got. and if that means putting CAI, HID's, a phat stereo system, and a idiot in the drivers seat...then so be it!

    Retro!

    Hater

    I love nooBs...They make me look good

    Comment

      #3
      Originally posted by stlcb92lx View Post
      i just installed a short ram intake and now when i barely press the gas it surges up to almost 2k. as in when im backing out of the driveway i dont hit the gas the car just hits the friction point and takes off. it also surges when i shift sometimes. any ideas what could cause this? sri is a relatively easy install so im pretty sure i didnt mess anything up but i could be wrong, thanks
      Doesn't sound like a problem to me

      What all did you touch? If it wasn't doing it before, and is now, you've messed something up. My guess is a vacuum line somewhere.
      MRT
      37.5 MPG, AC on, cruising at 80.
      30.0 MPG, AC on, aggressively driving around 90.
      27.5 MPG, no AC, cruising at 90 with occasional gridlock. 40 degrees Fahrenheit

      Lots of DIY videos specifically for our car

      Get some awesome wipers! <-- It's a DIY
      Originally posted by Tippey764
      I think driving your car naked will cause the engine to overheat
      Originally posted by deevergote
      sneaky motherfucker

      Comment

        #4
        It definitely sounds like a vacuum leak issue. Vacuum leaks will cause the motor to idle higher as it is letting in more air.


        PARTING OUT MY 1990 EX COUPE!! EVERYTHING FOR SALE! CLICK HERE
        Listen or download the first 4 songs I completed for my new upcoming album here!!
        My member's ride

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          #5
          its not an idle issue. it idles fine, ive cleaned my FITV and never had this problem before, it may be the vaccum line that was at the top of the old intake tube at the tb end. i just left it open and then plugged it but the problem was there both times. when i barely tap the gas you can hear it sucking air and it just takes off if i let the clutch out in gear. and when i upshift or downshift at the right time it surges also.

          Comment

            #6
            Originally posted by stlcb92lx View Post
            its not an idle issue. it idles fine, ive cleaned my FITV and never had this problem before, it may be the vaccum line that was at the top of the old intake tube at the tb end. i just left it open and then plugged it but the problem was there both times. when i barely tap the gas you can hear it sucking air and it just takes off if i let the clutch out in gear. and when i upshift or downshift at the right time it surges also.
            So there is no hole at the top of your new intake? If it does, try attaching the vacuum line you speak of to the hole. Sounds like the vacuum hose that comes from the Air Boost Valve (little contraption on drivers side of plenum). That is my set up after installing a short intake. Hose from the Air Boost Valve to the hole at top of intake tube, just before TB.

            91 EX, body/chassis ~235,000; rebuilt f22a6 crate engine ~65,000 (3/2011)
            Neuspeed Super Cup Kit (7/2010)
            TAS rear drum-to-disc conversion (6/2010)
            Above photo taken - 4/2010

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