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Thread: Dual fuel

  1. #1
    Regular Member dave b's Avatar
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    Vehicle : Vectra

    Trim : Design LPG

    Engine : 1.8 vvt

    Year : 2008

    Mileage : 196,000+

    Default Dual fuel

    Anyone got ant ideas?........
    Over the last couple of nights, my 55 reg factory dual fuel Vectra has been switching itself over to petrol from lpg, even though there is gas in the tank. If I change the switch over to petrol for a few seconds, then revert to gas, it continues on gas for quite a while, then the samme happens again.
    My theory is that part of the gas fuel line is icing up, especially with the recent cold snap, but any ideas are welcome.

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    Regular Member Sean-2.2Direct's Avatar
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    Is this still not working?

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    Hi,
    i am having same problem, it keeps going on petrol and the green led started flashing rapidly.

    gas tank is full.

    thanks.
    jo.

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    Regular Member Preey's Avatar
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    is the gas in the pipes frozen or a smaller hole that lets the gas out then the car thinks its running out of gas so turns it back to petrol ?

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    My previous car was LPG (not Vauxhall) and I found in cold weather that I had to do at least 15 miles on petrol for the system to run smooth. I had to run on manual petrol to stop it changing too early to LPG and then switch over to auto once the 15 miles or so was done.

    I think its the nature of the beast in cold weather if your only doing short runs it may not help.

  6. #6
    Regular Member Ste's Avatar
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    Vehicle : Jaguar XF 3.0D V6

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    Default

    Is the gas heat exchanger from coolant working ok? When was this unit last serviced?

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    i covered front half of radiater with baco foil, that kept the car warm on short runs, that did help.
    running alright for the moment.

    jo.

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    Quote Originally Posted by joeblogs View Post
    i covered front half of radiater with baco foil, that kept the car warm on short runs, that did help.
    running alright for the moment.

    jo.
    Good idea, as the engine will warm up quicker also.

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