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A4 (b6) starting problem

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  • 28-08-2016 10:10pm
    #1
    irish bloke
    Registered Users Posts: 2,057 ✭✭✭


    Petrol 1.8t A4 wouldn't start Friday morning (not batt as turning over).
    Eventually after about 15 or so goes, it went and spluttered a bit before eventually being ok.

    Drove it 3 more times that day with about 2-3 hours between each drive and had no issue starting.

    Started car again this evening and had similar starting issues. Again started after 2 hours and started fine.

    Plugs haven't been changed in abut 40k but they are the long life plugs and should last longer.

    I noticed a hum/whine from the rear of the car, particularly noticeable in the boot that's leading me to think fuel pump is on the way out.

    I read that the humming noise could actually be the filter blocked.

    Anyone had similar experience?

    Thanks


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    #2
    Moanin
    Registered Users Posts: 2,133 ✭✭✭Moanin


    irish bloke wrote: »
    Petrol 1.8t A4 wouldn't start Friday morning (not batt as turning over).
    Eventually after about 15 or so goes, it went and spluttered a bit before eventually being ok.

    Drove it 3 more times that day with about 2-3 hours between each drive and had no issue starting.

    Started car again this evening and had similar starting issues. Again started after 2 hours and started fine.

    Plugs haven't been changed in abut 40k but they are the long life plugs and should last longer.

    I noticed a hum/whine from the rear of the car, particularly noticeable in the boot that's leading me to think fuel pump is on the way out.

    I read that the humming noise could actually be the filter blocked.

    Anyone had similar experience?

    Thanks

    Could be crankshaft sensor


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    #3
    ferg01
    Registered Users Posts: 164 ✭✭ferg01


    Moanin wrote: »
    Could be crankshaft sensor

    I had similar problems, got the sensor fixed and all is well.


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    #4
    irish bloke
    Registered Users Posts: 2,057 ✭✭✭irish bloke


    Moanin wrote: »
    Could be crankshaft sensor

    Don't think so, no eml and replaced it about a year ago


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    #5
    irish bloke
    Registered Users Posts: 2,057 ✭✭✭irish bloke


    Ordered an OEM fuel filter for €48. Can hasn’t had this replaced in 11 years or 100K so prob not a bad idea to change it.

    I got quoted €487 for a fuel pump from Audi and its €515 for a pump on Mick's Garage. Couldn’t believe the price TBH.

    In case filter doesn’t work, are there aftermarket or recon alternatives to buying a new pump and would it be as good as the OEM?


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