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  1. #1
    Registered Member One Ring
    Join Date
    Jan 13 2018
    AZ Member #
    412397
    Location
    Pa

    B6 s4 cranks but wont start

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    Help ! B6 s4 cranks but will not start. Car will start by using starting fluid. New fuel pump and fuel filter

  2. #2
    Established Member Two Rings Velox's Avatar
    Join Date
    Mar 30 2016
    AZ Member #
    371041
    Location
    Oranjestd

    Does the car run fine after you use starting fluid, or does it die again?

  3. #3
    Established Member Two Rings M0ve0ver's Avatar
    Join Date
    Jul 18 2010
    AZ Member #
    61603
    Location
    Louisville, Kentucky

    there's the chance its the power relay for the ECU.
    Happened to me back in Sept 2012
    05 B6 S4: JHM 93 Tune, Trex DP, JHM 2.5" CB, JHM LWCP, Apikol snub, Bilstein PSS9, 034 Adj Control Arms, 034 Rear Sway + Endlinks, 034 front Endlinks, Team Dynamics Pro Race 1.2's, 034 wheel studs, 034 Strut Bushings, 034 Lower Control Arms, tyrolsport caliper bushings, ECS braided brake lines, Hawk HPS pads

  4. #4
    Registered Member One Ring
    Join Date
    Jan 13 2018
    AZ Member #
    412397
    Location
    Pa

    As soon as you stop spraying engine dies.

    Ecu is prolly the next step

  5. #5
    Active Member Two Rings
    Join Date
    Nov 10 2017
    AZ Member #
    409641
    Location
    Maryland

    if you stop spraying and the engine dies, then my logic would say that you are getting air & spark, but not fuel. There is no accounting for why not, but make sure you hear the whirring of the pump when you turn the key to the ON position, check injector resistance, etc.

  6. #6
    Registered Member One Ring
    Join Date
    Jan 13 2018
    AZ Member #
    412397
    Location
    Pa

    Was able to hook it up to a vag com. Is there anyway to upload pictures ?

  7. #7
    Registered Member One Ring
    Join Date
    Jan 13 2018
    AZ Member #
    412397
    Location
    Pa

    Where’s this relay ?

  8. #8
    Veteran Member Four Rings xhackerekx's Avatar
    Join Date
    Jul 23 2007
    AZ Member #
    19741
    My Garage
    04S4B6_07A8D3 08Q7_03A4B6_VN670
    Location
    Scranton , PA / Poland UE

    where u located ?
    u need help with immobilizer when u installed new or used ecu or cluster included correction millage ? I can did this for you .

  9. #9
    Established Member Two Rings audi5inline's Avatar
    Join Date
    Jan 10 2013
    AZ Member #
    107288
    My Garage
    Audi RS2 avant
    Location
    The Netherlands

    the first thing you should do is to crack the supply fuel line loose at the fuel rail and see if there is actually fuel comming out when cranking. a buzzing fuel pump doesnt mean its pumping...
    '06 Audi A4 avant quattro 1.8 T Frankenturbo
    '95 audi RS2 avant powered by Porsche

  10. #10
    Registered Member One Ring
    Join Date
    Jan 13 2018
    AZ Member #
    412397
    Location
    Pa

    Quote Originally Posted by xhackerekx View Post
    where u located ?
    Reading Pa

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