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  1. #1
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    MiddletoM's Avatar
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    diesel engines

    My mate was telling me that if a diesel car/van ran out of diesel the glow plugs would blow up. He said this is because the plugs do not have any diesel to cool them down. Is this right? or is he trying to sound clever?

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    It's a load of old horse manure ! The only problem with diesels running out of fuel is they need priming, they don't self prime like petrols do.

    If you think about it, the only time glow plugs are on is pre-ignition, and there's no diesel being pumped in then.
    Astra 888 (SRi 1.9 CDTi 120)
    Remapped to 200bhp, 18" wheels, Four pot front brakes, lowered suspension, tinted rear windows, 888 exhaust.

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    Quote Originally Posted by MiddletoM
    My mate was telling me that if a diesel car/van ran out of diesel the glow plugs would blow up. Is this right?
    No.

    Quote Originally Posted by vauxhallman
    The only problem with diesels running out of fuel is they need priming, they don't self prime like petrols do.
    Also incorrect. The 2.0DTi self primes, and I'm quite sure the CDTi engines do as well.
    2007 Metro Blue 5 door Mk5 Elite 1.7CDTI
    6th Vauxhall (4th Astra) in 10 years...plus a couple of other sheds...

  4. #4
    SXi Stu
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    the official line in the manual:

    Diesel Fuel system, bleeding
    Never let the the tank run dry! If control indicator (fuel pump sign) illuminates, refuel as soon as possible. Refuel immediately if it flashes.

    It is possible to restart the engine if the tank has been run dry. A delayed start is to be expected. Switch on the ignition three times for approx 15 seconds. Then attempt to start the engine for approx 40 seconds. If the engine does not start, wait a few minutes and try again. If the engine does not start, consult a workshop.

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    Aha, shows I didn't read the manual properly
    Astra 888 (SRi 1.9 CDTi 120)
    Remapped to 200bhp, 18" wheels, Four pot front brakes, lowered suspension, tinted rear windows, 888 exhaust.

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