Mass Air Sensor trouble
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This is a discussion on Mass Air Sensor trouble within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; When I go to plug my mass air sensor in it shuts the engine down but when it's unplugged it ...

  1. #1
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    Mass Air Sensor trouble

    When I go to plug my mass air sensor in it shuts the engine down but when it's unplugged it runs fine. It does have a stumble to it at about 4500 rpms in 2nd, 3rd and 5th. I have no clue on how it even runs without a mass air being plugged in, please help!

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  3. #2
    Registered User JUSTINSNUTSWINGER's Avatar
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    Why did you disconnect it ?

    Have you cleaned it with MAF cleaner yet ?

    Another thing... the car should be OFF and battery disconnected when you play with that ****.
    N-swinger

    2000 Escort

    Maintenance schedule and poke in the eyes:
    http://www.clubwrx.net/forums/genera...nce-guide.html

  4. #3
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    Quote Originally Posted by 02SilverRex View Post
    I have no clue on how it even runs without a mass air being plugged in, please help!
    The car goes into safety/limp mode, still runs etc so if you break down in the middle of nowhere you can limp to a mechanic/home etc.

    Do you know anyone in your area with a known to be good AFM to swap?
    Do you have an oiled panel or pod filter?

    Quote Originally Posted by pzr2874 View Post
    Why did you disconnect it ?

    Have you cleaned it with MAF cleaner yet ?

    Another thing... the car should be OFF and battery disconnected when you play with that ****.
    Its a dodgy way to check if the AFM is working.

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