Thread: why does my car die when i slow down? I need help!

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  1. #1 why does my car die when i slow down? I need help! 
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    It dies when i slow down to approach an intersection or a stop sign. It doesnt idel the same since the intake manifold was replaced. The electronic idel pully is in place and there isnt any leaks in the vaccume hoses, also, there is no gas leak. It never did this before some family members replaced the intake-manifold.It does great on the highway but not around town...97 Grand Prix, 3.8 .... Please help!!
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  2. #2 Re: why does my car die when i slow down? I need help! 
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    Sounds to me its the maff sensor... or hoses ...

    but if it didnt do it prior to the family member working on the car. I would double check everthing......
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  3. #3 Re: why does my car die when i slow down? I need help! 
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    Moved to a more correct location.

    James Shafer
    2003 GP GTX SLP P/N 50066 (SOLD )
    2005 Nissan Pathfinder SE 4x4 (The baby hauler )
    St. Louis MO
    1.9 Modified Rockers, TOGs, 180 Tstat, PRJ 10.4 Wires, P/P Gen 3, SLP Ram Air Hood/Wizaired CAI, Gen 1 Spoiler, 3.4 ZZP Pulley, Desert Fox Tranny Cooler, Thrasher Shift Kit, 18" TSW Mondellos w/ AGX Struts, SSC Gen II Springs
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  4. #4 Re: why does my car die when i slow down? I need help! 
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    it has to be a vacuum leak, otherwise, iac needs cleaned.
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  5. #5 Re: why does my car die when i slow down? I need help! 
    TDCRacing
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    Do you have the screen in your throttle body? If so. Your IAC needs cleaned like stated above. It's located in the throttle body. You can clean it with carb or brake cleaner. You need to remove the IAC to do this.


    IT could also be a dirty MAF sensor. To clean it do the same.
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