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Thread: The mystery of fuse 31

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  1. The mystery of fuse 31 
    #1
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    Fuse 31 on the 1.9 tdi controls the reversing lights and cruise control if fitted , not in my AVF Sport case .

    So I pulled this 15A fuse when the reversing lights were stuck on ( probably gearbox reversing light switch ).

    Lights off but I noticetthat day it's lost alot of bhp , light throttle pottering around is OK but any larger and it's as flat as a pancake .

    Code reader out to see if any fault codes and it's

    17552

    Mass Air Flow Sensor (G70 ) open or short to ground.

    P1144

    So I swap out the MAF with an AWX I've got laying around same OEM Bosch part number and no change .

    Some out of the box thinking and fuse 31 back in regains the horse power !

    We have a secret valet mode

    Probably one for Steve .







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  2. Re: The mystery of fuse 31 
    #2
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    I will look it up the morrow.
    "I disapprove of what you say, but I will defend to the death your right to say it"

    Evelyn Beatrice Hall (1868-1956)
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  3. Re: The mystery of fuse 31 
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    Any luck Old Fruit ?

    Another with an AWX Highline pulled the fuse and experienced the same but bizarrely Cruise control was unaffected .
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  4. Re: The mystery of fuse 31 
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    Sorry, I have been upto my 27mmís in work and all my versions of ELSA are being daft...
    "I disapprove of what you say, but I will defend to the death your right to say it"

    Evelyn Beatrice Hall (1868-1956)
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