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Thread: Rough Idle...

  1. #31
    Join Date
    Aug 2011
    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

    BB#1) 1996 ImpalaSS - 16,500 miles - 100% stock
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  2. #32
    Join Date
    Mar 2008
    Couple of car lengths ahead of you
    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.

    Sent from my iPhone using Tapatalk

    Cobra short block / ProCharger F1-A / Cog drive upgrade / Manley valves / Brian Tooley Racing valve springs / 80# inj. / -8 fuel line / -6 return / Aeromotive 340 pumps and regulator / 2012 GT500 TR6060 six speed / twin disc clutch / Driveshaft Shop GT500 upgraded CV joint shaft / BA5000 blow thru MAF/ 4.10's / Ford Racing 31 spline set up and Girdle / Metco D.S. safety loop / Stainless Works headers, cats, and everything else out back / ClassGlass hood / Bob's hood strut mod / Hurst line lock / Metco control arms / Addco front and rear sway bars / Monroe severe duty shocks all around / Race concepts rotors / Badgeless grille / 35% tint / FBM's interior LED kit and ambient lighting kit / Pioneer FB700 deck / kenwood speaker 4 Ch. / Rockford Fosgate 10" sub and amp / Kicker 6 X 8's all around / back up cam / bluetooth / Pioneer Xm / 704 RWHP 603 RWTQ tuned by Mo's Speedshop.

  3. #33
    Join Date
    Jul 2010
    Crook County
    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.

    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.
    300A 8-20-02
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  4. #34
    Join Date
    Feb 2006
    Rosemount, MN
    What do you clean the IAC with? Can you use MAF cleaner?

  5. #35
    Join Date
    Sep 2002
    Cape Cod, MA
    MAF cleaner or coated throttle body cleaner. Don't use carb cleaner or Brakleen...
    The Blackbird
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    The Spruce Goose
    2004 Grand Marquis LS Limited Edition
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