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Error code help please!

Discussion in 'General Technical / How To' started by kev1000, Sep 24, 2011.

  1. kev1000
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    kev1000 Member

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    [Sep 24, 2011]
    I have these 3 codes 16891,17705,17544.
    From searching on here it seems it could be a vacuum leak.
    Is there other things that can cause these codes, like maf sensor or something else?
    I replaced the kind of breather/valve thing at the back of the engine as there was a definite leak there.
    Engine is a BFB 1.8t.
    Tried spraying pipes but can't find a leak.
    Also idle is a bit lumpy and when revved, it's slow to come back down to normal idle, even when engine is fully warmed up.
    I also think it's heavier on petrol lately??
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  3. kev1000
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