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Thread: Z19DT fuel leak.

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    Default Z19DT fuel leak.

    My 2008 Vectra Z19DT has started leaking fuel under the bonnet.
    I can see no sign of any leak except a pool collecting on the undertray and running to the back of the car underneath.
    The filter is dry as is the low pressure fuel lines, the high pressure lines, pump, regulator, fuel rail and injectors. I wonder if it is possible there is a leak in the high pressure system which because it is such high pressure leaks as a vapour and then condenses on the undertray etc.
    Please help - it is very smelly and possibly dangerous?

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    Regular Member Gsi3.2's Avatar
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    first off... straight back to VX tomorrow morning with it.......

    any leak isn't good..and a fuel one is even more so.... it's too hard to say from back at this end of the internet what it is.. it really needs looking at ASAP

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    Regular Member Ste's Avatar
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    Can't argue with that advice at all.

    The only saving grace is that it is diesel and therefore not as ignitable as petrol.

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    It looks like it may be the fuel rail (on back order). Does anyone know if there is a problem with these? (is the fact it is on back order signifiant and I think the part number has changed ((part modified))?? It appears to be at the base of where the pipes screw on. I also believe you must change these pipes whenever loosened?
    I will update when I know more.

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