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Renault master 2004 not starting

Discussion in 'Car Repairs / Maintenance' started by camerart, 5 Sep 2021.

  1. camerart

    camerart

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    Hi,
    This morning my Renault Master 2500 2004 won't start.
    Plenty of fuel, plenty of battery.
    I've trying the hand fuel pump.
    This has happened 2x before, then started.

    When the ignition is ready to start, the red light flashes constantly.

    Any ideas please?

    It just started, so I can get home, phew.

    Cheers, Camerart
     
    Last edited: 5 Sep 2021
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  3. Burnerman

    Burnerman

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    Usually an immobiliser issue, try locking the doors, opening them again then immediately trying for a start.
    John :)
     
  4. camerart

    camerart

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    Hi J,
    Possible, but as you can see, it did start after 10 mins, and one suggestion is the fuel filter, that I have to admit I didn't change this year.
    Thanks, C
     
  5. Burnerman

    Burnerman

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    For sure, it can’t do any harm.....it’s the flashing lamp that gets me.
    A new crank position sensor is also a good move, especially if the fault seems temperature related.
    John :)
     
  6. camerart

    camerart

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    Hi J,
    What does the flashing light get you?

    The light is always flashing when it is locked, then as the key is turned it goes full on, (If I'm correct,) then goes off when happy, and start.

    This is when it has been stood overnight, so cold, I doubt it is the crank position sensor.
    C
     
    Last edited: 5 Sep 2021
  7. Harry Bloomfield

    Harry Bloomfield

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    On some vehicles, the tacho needle will bounce up and down, when cranking/ if it fails to start. No bounce suggests crank sensor not working.
     
  8. camerart

    camerart

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    Hi H,
    I've never seen any movement on anything while starting, but I'll watch closer next time.
    C
     
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