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maffy ****

Discussion in 'A4/S4 forum(B5 Chassis)' started by johnyj, Jul 29, 2007.

  1. johnyj
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    johnyj Member

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    bought a maf for £70 replaced it and driveability is alot smoother but i still have the revs dipping after if settles back down after reving
    any other ideas
    i thought it might be an air leak?
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  2. johnyj
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    johnyj Member

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    thanks for the response i have noticed that when the car is cold it hardly does it
    would this be a temp sensor thingy?
    any ideas plz....
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  3. AndyMac
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    AndyMac Moderator Staff Member Moderator

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    Temp sensor is a common fault and can throw all sorts of wierd behaviour. £20 from a dealer and an easy fit so I'd change it anyway.
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  4. johnyj
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    johnyj Member

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    thanx where abouts is it
    i had the temp gauge sensor changed is that the same thing?
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  5. AndyMac
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    AndyMac Moderator Staff Member Moderator

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    Same thing, so not that then.
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  6. icenutter
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    icenutter Member

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    Do you have vag-com? You can use it to get readings of things like expected and actual MAP.
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  7. Rob_k
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    Rob_k Member

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    idle contol valve? or could be the throttle control unit
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  8. johnyj
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    johnyj Member

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    have got vag.com but waitin for cable to arive
    where abouts are the contol valve and throttle unit?
    thanks
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