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Thread: Coil Pack? HELP!!

  1. #1
    Regular Member JaceyBoy's Avatar
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    Default Coil Pack? HELP!!

    Guys, I have a 2004/54 2.2i Signum, I get a cut of power out around 3,000rpm and above then its fine, but sends the spanner light on until I turn off ignition and then on again, I have changed the plugs (which made it better) but it still does it, I am frightened to overtake anyone as I always cuts, would this be a coil pack fault or the dreaded fuel pump?, before I changed the plugs a friend plugged in the diagnostics and it came up with cylinder 1 failure....

  2. #2
    North West Regional Organiser paulvectrac's Avatar
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    Vehicle : vectra

    Trim : vxr

    Engine : 2.8 v6 turbo

    Year : 2007

    Default

    Fuel pump or the fuel pressure regulator mate
    Vectra vxr custome remaps egr deletes dpf and diagnostic work all remaps are custome bench tuning avalible all genuine equipment PM for info

  3. #3
    Regular Member JaceyBoy's Avatar
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    How much is the fuel pressure regulator to replace?

  4. #4
    North West Regional Organiser paulvectrac's Avatar
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    Vehicle : vectra

    Trim : vxr

    Engine : 2.8 v6 turbo

    Year : 2007

    Default

    There about 60-75 on eBay Maye waste of time tbh I can probably assure you it's the fuel pump
    Vectra vxr custome remaps egr deletes dpf and diagnostic work all remaps are custome bench tuning avalible all genuine equipment PM for info

  5. #5
    Regular Member JaceyBoy's Avatar
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    How I can find out for sure?

  6. #6
    Full Member Caveman_nige's Avatar
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    Vehicle : Vectra and a Signum

    Trim : top of the line in both

    Engine : Z18XE,Z19DTH,Z20NET

    Year : 2006

    Default

    can you read off the fault codes?
    My old Signum, the animal; she now rests in pieces in several other members cars.. https://www.vectra-c.com/forum/garag...vehicle&id=200
    The wifes vec show car, started as a standard daily driver and ended up like this. https://www.vectra-c.com/forum/garag...vehicle&id=709



  7. #7
    Regular Member JaceyBoy's Avatar
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    The only fault code I have managed to get from it is Cylinder 1 failure

  8. #8
    Regular Member JaceyBoy's Avatar
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    Any other help with regards to how I can diagnose this fault?

  9. #9
    Full Member Caveman_nige's Avatar
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    Vehicle : Vectra and a Signum

    Trim : top of the line in both

    Engine : Z18XE,Z19DTH,Z20NET

    Year : 2006

    Default

    Your engine is different to mine,, but not by too much, that code would mean to me that a coil has had it.. If the coils are individual like mine then you can swap them round (i.e. 1 and 4), try this to see if the misfire moves to cylinder 4. Its something you can try for free and its easy to do.
    My old Signum, the animal; she now rests in pieces in several other members cars.. https://www.vectra-c.com/forum/garag...vehicle&id=200
    The wifes vec show car, started as a standard daily driver and ended up like this. https://www.vectra-c.com/forum/garag...vehicle&id=709



  10. #10
    Regular Member JaceyBoy's Avatar
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    My coil pack is in a line of 4 and sealed..

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