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Thread: Non starting nightmare..... Need more help

  1. #1
    Regular Member ALAN B's Avatar
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    Angry Non starting nightmare..... Need more help

    Car not started for over a week now after changing fuel filter.

    Going back to the beginning now and trying to narrow down fault.

    Fuel not reaching fuel pump from filter housing.

    What pipe on the filter housing feeds the fuel pump?
    Is it the pipe on top of filter housing (next to plug) or pipe on side of housing.

    Has to be a filter / housing problem as cas was running sweet before filter change.
    Got code P0090 showing, but that is only because the fuel is not getting to the fuel rail.

    Next step - sell car for spares - had enough vx problems to last a lifetime. Even changing a filter on these things causes grief.

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    Regular Member jimmyred's Avatar
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    don't know if this is too obvous, but could there be air in the fuel system, here are some posts on bleeding diesels after changing fuel filter :www.vectra-c.com/forum/search.php?searchid=6134709

  3. #3
    Regular Member ALAN B's Avatar
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    Link above not working or redirecting to anything

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    Regular Member Rapala's Avatar
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    Have you manually filled the filter housing with fuel before refitting the top, that always helps when trying to start the dti engines after a service. You may even have to tow start the car after you do this.

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    Regular Member markj23's Avatar
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    Have you blead the injectors? Am not sure in a car but if you run a estate dry it fills the injectors with air so you have to undo each one near where it enters the engine and turn it over and blow the air out! Might be best to nip round the corner, "break down" and let your friendly AA man have a go cause he's a very very nice man!!!

    or as above fill filter with diesel and try tow start

  6. #6
    Regular Member Rapala's Avatar
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    Quote Originally Posted by Rapala View Post
    Have you manually filled the filter housing with fuel before refitting the top, that always helps when trying to start the dti engines after a service. You may even have to tow start the car after you do this.
    Scrub my post above, its not a DTI
    Alan I just checked your profile and I see you have a 1.9 cdti. When you switch on the ignition can you hear the pump in the tank running?
    If so is the fuel being pumped to the filter housing?

  7. #7
    Regular Member jimmyred's Avatar
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    sorry mate thought i could link to search results....this thread is about cdti fuel filter change....don't mean to be patronising if its been a week you prob tried all this but just in case:www.vectra-c.com/forum/showthread.php?t=103690&highlight=bleed+fuel

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    Regular Member Rapala's Avatar
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    Quote Originally Posted by ALAN B View Post
    Car not started for over a week now after changing fuel filter.

    Going back to the beginning now and trying to narrow down fault.

    Fuel not reaching fuel pump from filter housing.

    What pipe on the filter housing feeds the fuel pump?
    Is it the pipe on top of filter housing (next to plug) or pipe on side of housing.

    Has to be a filter / housing problem as cas was running sweet before filter change.
    Got code P0090 showing, but that is only because the fuel is not getting to the fuel rail.

    Next step - sell car for spares - had enough vx problems to last a lifetime. Even changing a filter on these things causes grief.
    The pipes on my car are two different diameters, the thinner of the two pipes is fitted to the lower connector on the housing body and it goes straight to the fuel pump on the engine. The larger of the two pipes fits to the connector on the housing lid and disappears where the offside inner wing meets the bulkhead. Just a thought here and i dont even know if it would stop the car from starting but have you put the plug back on to the socket on the bottom of the filter housing

  9. #9
    Regular Member ALAN B's Avatar
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    Thanks for the replies so far

    Car is 05 plate 1.9 Cdti 150 SRI

    Yes, when the ignition is switched on the pump in the fuel tank kicks in and the filter housing fills with fuel. Done this 3 times after changing the filter before I even tried starting it.

    What I have noticed is that when I removed either hose on the filter housing (to check filter was seated properly), is that fuel escapes from the filter housing (fuel hose inlets) at tremendous pressure.

    Looks like the fuel is being pumped into the filter housing, staying there and pressurising, hence the large amount of foamy, air filled fuel gushing out when hose is removed.

    In that case, this tells me that the fuel is not getting to the high pressure fuel pump on the engine, not reaching the rail (so P0090 fault code) and not reaching the injectors, so not starting.

    Has to be an air-lock between the filter housing outlet hose and fuel pump and so on to the injectors.

    Not got a clue how to clear this

    Local garage told me they have seen this a few times after filter changes and just towed the car to clear the air lock.
    Not too keen on doing that as I dont know how much damage this could cause to the fuel pump etc.

    Any more ideas?

  10. #10
    Regular Member ALAN B's Avatar
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    Both plugs on filter housing dry, clean and fitted correctly
    Both hosed seated and clipped in
    No leaks or drips on or around filter housing (completely dry on the outside) even when under pressure after being filled by tank pump.

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