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  1. #1

    Default K&n and throttle body problems

    i put a new k&n cai on my truck 2002 chevy 6.0 2500hd and i had to take a throttle body spacer off the truck that the previous owner put on..the fan would hit the intake tub if i didnt take it off..now the the pedal sticks when you go to puch on the gas only at the beginning..as soon as you get it past the intial push it is fine..it just doesnt want to move once its back to idle position or neutral position i guess you can call it..not sure exaclty what to look for or what it could be and help would be great and thanks for any advice
    2004 GMC Sierra
    pace headers
    magna flow muffler
    gm performance intake
    305/70/16 Toyo MT
    16in hello maxx rims
    1987 Chevy K5 blazer
    stock 350
    4" lift 35s

  2. #2
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    Default

    Quote Originally Posted by wallstetter View Post
    now the the pedal sticks when you go to puch on the gas only at the beginning..as soon as you get it past the intial push it is fine..it just doesnt want to move once its back to idle position
    This sounds like throttle plates sticking in the venturi/housing. With engine off, look in there while you twist the throttle by hand. You should be able to see & feel the resistance at the same time. Also could have something to do with taking the throttle spacer off & the effect that had on the throttle ?.?
    1988 Chevy C-3500 2wd (no pic)
    350 c.i. 5.7 L Stock Block, 4 Bolt Mains
    L-31 Vortec Heads, Edelbrock Cam & Intake,
    Holley 650, Flowtech Headers, Magnaflow exh.
    Jet Trans 700R4, B&M Ratchet, 4:10 gears,
    3" susp. lift kit "shadetree"
    No rev limiter, No speed limiter lol


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