Badger5AH Fabrications
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  1. #1
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    fault codes help needed

    first one p1426
    second one p0103
    any help please

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  3. #2
    Lewis583's Avatar
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    Always check here first >>>>Link

    Quote Originally Posted by P1426
    17834/P1426/005158 - EVAP Purge Valve (N80): Open Circuit

    Possible Symptoms


    • Malfunction Indicator Ligh (MIL) active
    Possible Causes


    • EVAP Purge Valve (N80) faulty
    • Wiring/Connectors from/to EVAP Purge Valve (N80) faulty
    • Fuel Pump Relay (J17) faulty
    Possible Solutions


    • Check EVAP Purge Valve (N80)
    • Check Wiring/Connectors from/to EVAP Purge Valve (N80)
    • Check Fuel Pump Relay (J17)
    Quote Originally Posted by P0103
    16487/P0103/000259 - Mass Air Flow (MAF) (G70): Signal too High

    Possible Symptoms


    • Probably no serious malfunctions
    • Loss of power
    Possible Causes


    • Wiring and/or connections (short circuit?)
    • Mass Air Flow (MAF) (G70) defective
    Possible Solutions


    • Check wiring and connections
    • Check / Replace Mass Air Flow (MAF) (G70)
    Check continuity of the EVAP solenoid, if that's okay then you need to check that there is a feed to the solenoid. Also check whether there are any breaks in the wiring to the solenoid.

    The MAF code will require a logging session to asses how much air the engine is ingesting/thinks it's ingesting.
    2008 E92 BMW 335i M-sport
    1990 Golf GTi w/ a 20v heart BUILD THREAD
    Full VCDS

    2006 A3 2.0T quattro S-line R.I.P. You will be missed.

    ** Breaking - 8L 1997 Audi A3 1.8T. **

  4. #3
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  5. #4
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    but i have replaced the maf for a new bosch one

  6. #5
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    did you delete the previous codes? and re scan again?

  7. #6
    Lewis583's Avatar
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    That doesn't mean it's any good though. New parts can be faulty too. Logging/diagnosing is required as just replacing parts willy nilly can get expensive.

    If you are adamant the new MAF is good, then you need to start tracing back wiring checking for breaks, high resistance at plugs etc
    2008 E92 BMW 335i M-sport
    1990 Golf GTi w/ a 20v heart BUILD THREAD
    Full VCDS

    2006 A3 2.0T quattro S-line R.I.P. You will be missed.

    ** Breaking - 8L 1997 Audi A3 1.8T. **

  8. #7
    s3dave's Avatar
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    Agreed with Lewis, heard a lot of people taking MAFs back because they are faulty..

  9. #8
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    will get it exchanged tommorow and fault codes were deleted last time

 

 

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