by Joel646464 on June 26th, 2006

Joel646464

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My truck will not idle down. I have changed the timing on it and have even changed the throttle setting. What could be wrong?

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Answers. 3 helpful answers below.

  • by magnes on September 24th, 2009

    magnes

    Im not sure wat kinda truck you have but on the 88-98 chevy trucks the knock senor controls the idle and make it idle down.

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  • by ben91069 on June 26th, 2006

    ben91069

    One possibility is checking that the throttle plates aren't catching or getting hung up on the carberatour base gasket. Open the choke and look down the bore with a flashlight to see if the plates are stuck open.

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  • by tjatherton on June 26th, 2006

    tjatherton

    Maybe your vacuum advance is stuck or a vacuum hose is missing or leaking.. they used to call it a Choke.

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