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TDi 170 cranks but won't start

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by Steve220, Feb 2, 2014.

  1. Steve220
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    Steve220 Member

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    [Feb 2, 2014]
    Hi all,

    I have a 56 plate A4 TDi 170, up until this afternoon it used to start up first key turn and run extremely smoothly for a derv. today I got to the car, it opened with the RCL and on trying to start it the engine just cranks and won't fire up. All the lights go out properly, the engine is ever only started when the coil light goes out in the past. It is totally out of the blue as it's run fine since I've had it and there's been no power loss.

    VAGCOM doesn't bring up any fault codes either. I'm stumped! Any ideas?
    #1
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    [Sep 17, 2014]

  3. Ant600
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    Ant600 Member

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    [Feb 2, 2014]
    Immobiliser may be playing up? Or a pump relay maybe?
    #2
  4. csm
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    csm Member

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    [Feb 2, 2014]
    In-tank pump may be goosed also
    #3
  5. Steve220
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    Steve220 Member

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    [Feb 5, 2014]
    Sorted itself out after cranking solidly for 15 seconds it fired up and ran smoothly again. How odd!
    #4

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