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idle up and down and flat spots

Discussion in 'A3/S3 Forum (8L Chassis)' started by gumball b, Apr 3, 2010.

  1. gumball b
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    gumball b [OLD SKOOL CRUISER]

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    [Apr 3, 2010]
    hi everyone,been ofline for a while. i was hoping i can get a reply to my :s3addict:it also has an unpredictable flat spot when you dont need it,its like it surges all of a sudden.i put a k+n panel filter in about a month ago and could this be the cause,im fitting a forge 007p tommorow to it and hope this may cure it a bit,i know the bosh one is not up to scratch..any advice from anyone i would be most greatful many thanks and good to be back....:crying:
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  3. Sandip
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    Sandip Well-Known Member

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    [Apr 3, 2010]
    Hi bud, to check if your maf is faulty, unplug it and see if the idle is any better, if it idle ok with the maf unplugged you need to replace it. The k&n has probably caused it to go
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  4. gumball b
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    gumball b [OLD SKOOL CRUISER]

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    [Apr 3, 2010]
    thanks for that mate,if it is that it will do it again i suppose if i have to get a new one. someone said to me not to do it coz of oil residue getting stuck to the maf, will try that tommorow,still gonna fit the d/v though hope that goes ok thanks again mate....
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  5. Sandip
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    Sandip Well-Known Member

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    [Apr 3, 2010]
    I had a k&n in mine didn't cause any issues, you could clean it first and see how it goes. It might be worth getting it checked via vagcom, might have other faults on it
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