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Thread: Engine management light and airflow issues following air box de-restriction?

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    Regular Member Signumtommy's Avatar
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    Default Engine management light and airflow issues following air box de-restriction?

    Hi,

    I de-restricted the air box on my Siggy a couple of weeks ago and ever since I have had an engine management light on the dash.

    Checked the issues and it appears to be an air flow fault.

    I was wondering if anyone else has had similar faults or if this is not related to air box de-restriction.

    Look forward to your responses!

    Thanks

    Tom

  2. #2
    Full Member Big Sig's Avatar
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    Have you triedputting it back to see if it clears?
    Now I need a turbo to keep up!

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    Regular Member Reevo's Avatar
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    Was the ignition off when you unplugged it?

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    Regular Member Knuckle's Avatar
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    Youve either unplugged the MAF sensor and forgot to plug it back in, or you have plugged it back in incorrectly.

    Thats the most likely cause anyway no reason for it to affect it at all otherwise.

    alternatively, you may have damaged it during dismantling.

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    Regular Member Super T's Avatar
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    Have you reset the ecu???

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    Quote Originally Posted by Knuckle View Post
    Youve either unplugged the MAF sensor and forgot to plug it back in, or you have plugged it back in incorrectly.

    Thats the most likely cause anyway no reason for it to affect it at all otherwise.

    alternatively, you may have damaged it during dismantling.


    i have never had a pproblem deristricting an air box & there's no need to reset ecu either

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    I reackon possibly knocked the air mass meter wires???

  8. #8
    Regular Member DAVIDD88's Avatar
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    i would also say the plug to the air mass sensor mate

  9. #9
    Regular Member mattv6diesel's Avatar
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    Vehicle : Bmw 330d

    Trim : Msport

    Engine : 3.0d

    Year : 2008

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    Probably has another fault like a stuck egr valve or something

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    to add , done a good few box mods without issues so there's summat else going on bud

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