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Thread: signum 2.2 direct misfiring

  1. #1
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    Default signum 2.2 direct misfiring

    My siggy has just all of a sudden started misfiring really bad, its not all the time just when the revs are low. its quite tricky to set off as the revs drop quite low.

    If I drive fast its ok, so I dont think its the pump. Do you think a good service may sort it out or any ideas.

  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 pressure reg mate there is a recall on them
    Vectra vxr custome remaps egr deletes dpf and diagnostic work all remaps are custome bench tuning avalible all genuine equipment PM for info

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    is it a big job can i do it myself

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    i dont get a spanner light on the dash though, would this come on if was the fpr

  5. #5
    Regular Member Gubmint Agent's Avatar
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    Vehicle : Vectra

    Trim : Sri

    Engine : 2.2 Direct

    Year : 2007

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    Coil pack?

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    i thought coil pack too. i have read quite a lot and still dont know which to try first. fpr is cheaper than coil pack so might try that first

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    Quote Originally Posted by paulvectrac View Post
    Fuel pressure reg mate there is a recall on them
    It's not on all cars tho', depends on reg.

  8. #8
    Regular Member ijk571's Avatar
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    Am I right in assuming that as I got my 2.2direct from a main dealer with Network Q it will have had all the recalls (regulator, pump and handbrake etc etc) all completed?

  9. #9
    Regular Member shinyb1's Avatar
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    Quote Originally Posted by Gubmint Agent View Post
    Coil pack?
    thats what i was thinking

  10. #10
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    is there anyway of testing the coil pack or FPR before buying either.

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