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    miss fire

    on cylinder 4 new coil pack and plugs when gar gets warm starts to miss fire again garage says ecu or feul injector any help please astra 1600sxi 02 plate thanks

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    Hi, I would be tying to clean the injector before replacing or buying new ECU, Paul

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    how do you do that cheers paul

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    Sorry mate,
    I meant for you to use injector cleaner.
    Have you checked the wire loom that goes to the coil pack? (I think its called the low tension wire).

    Sometimes these wires can get brittle with engine heat and crack causing a missfire.

    You could try running the engine in the dark to see if there are any sparks around the wire nearest the offending coilpack,
    Paul

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    thanks paul not got a clue ave a look tomorrow it only happens when it gets warm then runs on 3 dont know wat to do lol

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    Good luck Rick, hope it's not too much hassle for you, Paul

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    cheers paul not to sure where to start garage no help try fuel injection cleaner and check wire in morning on nights at moment thanks mate

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