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Thread: Smell of fuel when driving

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    Default Smell of fuel when driving

    i have an 05 cdti auto vectra and have a smell of fuel in the cab,coul dthere be a split in the manifold causing it to come through the air vents in the cab? thanks

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    Regular Member poves's Avatar
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    Quote Originally Posted by leek View Post
    i have an 05 cdti auto vectra and have a smell of fuel in the cab,coul dthere be a split in the manifold causing it to come through the air vents in the cab? thanks
    Strange on a derv , would of suspected it to be petrol if your getting a whiff of something .
    I must say your username is rather "apt"

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    Regular Member TonyP2020's Avatar
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    Vehicle : Mokka

    Trim : SE - Orange Rock 's !!

    Engine : 1.7CDTi

    Year : 2014

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    It WILL make you drowsy, it has happened to me.
    Prob cause is a split rubber pipe which returns the unused diesel to the pump.
    They are easy to change.
    Needs sorting asap.

    http://vectra-c.com/forum/showthread.php?t=152194

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    thanks for that guys
    where would i get the pipe? ebay etc? wheres it located and how would i fit it.
    cheers tony,i had a thuming headache this morning after driving 2 hors last night

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    Regular Member TonyP2020's Avatar
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    Vehicle : Mokka

    Trim : SE - Orange Rock 's !!

    Engine : 1.7CDTi

    Year : 2014

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    I would buy the kit as mentioned in the How2.

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    Is it unburnt diesel or is it exhaust fumes you are smelling? Sorry for asking but if it is exhaust, it could be a split flexipipe at front bottom of exhaust or leaking swirl valves (if it is a 150 bhp). If unburnt diesel, it may also be an injector not sealing properly. I had this and I got fumes in the cabin when accelerating hard? It was injector four as I could see all the solidified diesel round that area. It has sealed itself over the years and no more whiffs.

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    seems like exhaust fumes willie.whats the best way to sort this please? thanks

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    The easiest thing to check first is your exhaust system. If it is the front flexipipe, then you will hear it and see soot round that area. Next is the swirl valves. Yours being a 16v (according to your profile), will have swirl valves. Take the top plastic engine cover off and with the engine idling, look for tell tale exhaust smoke coming from the swirl valve area (there are loads of pictures and descriptions on this forum for these swirl valves, just do a search). Also sniff with your nose. If it is the swirl valves, then as a temp fix, you can disconnect the electrical connector of the EGR valve to stop the exhaust gases from entering the inlet manifold. This should stop the exhaust fumes after a few miles. I have glued and sealed my swirl valves (1,2 and 4) as I was getting slowly gassed. I have now reconnected my egr valve. I refused to pay £700 for a new manifold. My car drives just perfect now, no fumes.

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