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running rich?

Discussion in 'A3/S3 Forum (8L Chassis)' started by brent 3045, Jul 12, 2012.

  1. brent 3045
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    brent 3045 Member

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    [Jul 12, 2012]
    just checked my fuel trim on my s3 8l 2000, is +4.7% in the second column block 32 vcds too high? am i running rich?
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  3. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Jul 12, 2012]
    + figure suggests lean (adding fuel)... so a vac leak maybe although +/- 5% is fairly normal...

    <tuffty/>
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  4. brent 3045
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    brent 3045 Member

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    [Jul 12, 2012]
    any known locations for common vac leak?
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  5. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Jul 12, 2012]
    Anything thats rubber or plastic... mostly under the inlet manifold... PCV, SAI, N249... all that..

    <tuffty/>
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