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Thread: Rough Idle...

  1. #31
    Join Date
    Aug 2011
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    Quote Originally Posted by Chayton View Post
    Someone mentioned you can change the fuel pump without dropping the tank. How?? My blue marauder stutters BAD when 3/4 throttle in any sort of TURN left or right. As you turn it stutters and then goes. Fuel pump?

    Run or pump fuel level down below fuel sender access hole, remove sender/pump, replace and reassemble. = Done

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  2. #32
    Join Date
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    Quote Originally Posted by MyBlackBeasts View Post
    Run or pump fuel level down below fuel sender access hole, remove sender/pump, replace and reassemble. = Done


    Also to add. Remove right side tail pipe from its hanger and pull down. Also remove tape from wiring directly above the access hole to allow enough slack to remove the pump.

    The wiring turns down towards the pump but other wires keep traveling towards the passenger side, those wires stay, just separate them till you have enough.


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  3. #33
    Join Date
    Jul 2010
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    Crook County
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    32
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    Quote Originally Posted by Ambitious1 View Post
    I know this is an old thread, however I am starting to notice some rough idle when I first start in the morning. As soon as the engine warms up, she smoothes out and she's fine for the rest of the day. I cleaned the CAI, replaced the MAF sensor and put two new 02 sensors. I am now thinking it may be the IAC. Before I buy more parts, I am curious what does everyone use to clean the IAC? I am thinking the CRC Throttle Body & Air-Intake Cleaner should work.

    https://shop.advanceautoparts.com/p/...5078/7040065-P

    Does anyone have any other suggestions or ideas? Thank you in advance.
    while the engine is running disconnect the IAC connector. The engine should stumble and die immediatley. If it does this, that means your IAC is good.
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  4. #34
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    What do you clean the IAC with? Can you use MAF cleaner?

  5. #35
    Join Date
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    MAF cleaner or coated throttle body cleaner. Don't use carb cleaner or Brakleen...
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