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  1. #1
    g60leigh's Avatar
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    Fuel trim help please.

    I have had the engine check light come on twice now.
    When checking with vcds I get the error
    17544 - fuel trim bank 1 (add)
    P1136 - 35-00 - system too lean.

    After the first time it came up I changed the MAF for a brand new genuine one. Thinking this would be the problem. However got the error again yesterday.

    I have also recently replaced the MAF plug with one I got second hand as the one on the car had broken an was held on place with tie wraps. I have a good connection and all of the wires were soldered and sealed with get shrink.

    Can anyone suggest what could b causing this? Am I barking up the wrong tree with the MAF?

    Thanks.

    2001 S3 (AMK)
    AEM WMI Kit, Black Silicone Hoses, Badger5 TIP with Cone Filter, AH Fabrications FMIC, Relentless Manifold Downpipe & Sport Cat, Miltek Cat Back Exhaust, VAG Aero Wipers, Forge FMDV008 Re-Circ, Revo Stage 2 Remap with SPS+ Tweaks, 2.0 TFSI Coil Pack Mod, B&M Short Shift, RNS-D Retrofit, Brembo & B5 2 Piece Rotor Conversion

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  3. #2
    Lewis583's Avatar
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    I'd say vac/PCV pipe leaking. There are some under the inlet manifolds that are favourites for perishing/splitting.
    2008 E92 BMW 335i M-sport
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    2006 A3 2.0T quattro S-line R.I.P. You will be missed.

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  4. #3
    g60leigh's Avatar
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    Fuel trim help please.

    I have replaced most if them with silicone not so long ago actually so could well be the culprit. I did double check anything not replaced was in good order and all connections were tight but bet I have missed something.

    2001 S3 (AMK)
    AEM WMI Kit, Black Silicone Hoses, Badger5 TIP with Cone Filter, AH Fabrications FMIC, Relentless Manifold Downpipe & Sport Cat, Miltek Cat Back Exhaust, VAG Aero Wipers, Forge FMDV008 Re-Circ, Revo Stage 2 Remap with SPS+ Tweaks, 2.0 TFSI Coil Pack Mod, B&M Short Shift, RNS-D Retrofit, Brembo & B5 2 Piece Rotor Conversion

  5. #4
    g60leigh's Avatar
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    Fuel trim help please.

    Had a look at hoses and found one with a nice pair of splits in it. Sealed it up with some silicone repair tape. Which seems to have done a good job of sealing it.
    Only done a few miles since but no sign of error code.
    Fingers crossed it is all it needs.

    2001 S3 (AMK)
    AEM WMI Kit, Black Silicone Hoses, Badger5 TIP with Cone Filter, AH Fabrications FMIC, Relentless Manifold Downpipe & Sport Cat, Miltek Cat Back Exhaust, VAG Aero Wipers, Forge FMDV008 Re-Circ, Revo Stage 2 Remap with SPS+ Tweaks, 2.0 TFSI Coil Pack Mod, B&M Short Shift, RNS-D Retrofit, Brembo & B5 2 Piece Rotor Conversion

 

 

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