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Thread: Fuel trims - reset 200 odd miles ago... Any good?

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    Vex182's Avatar
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    Fuel trims - reset 200 odd miles ago... Any good?

    So I rest some fault codes 200 odd miles ago due to a mis-fire at Christmas. The fuel trims are now showing 3.4% at idle and -3.9% at "Part Throttle Value". This from vagcom 409 (yes old!) using block 32. I think it is fine but just wondering what other peoples are showing like? The car is very good on fuel, averaging 200 odd miles and still having 1/2 a tank left.
    Silver 2002 Audi S3 225 (BAM) since March 2011.

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  3. #2
    Lewis583's Avatar
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    They are pretty spot on chap, well within spec. The ECU will compensate +/-25% before throwing a fault code.
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    Rick @ Unicorn Motor Dev.'s Avatar
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    They are fine.
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