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Thread: Misfire on 30cdti

  1. #1
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    Default Misfire on 30cdti

    Hi i have a problem with a misfire on tickover the car has onlly covered 32000 miles i have had the car plugged in by a mate at the dealers (who is the spark) which showed a misfire on cylinder 4 he wasnt sure which way the cylinders are numbered so can some one please tell me which is number 4 as he hadnt had anything to do the 3.0 engine

    I tried injector cleaner when the tank was low but hasnt made any difference,i have since refuelled and added Forte cleaner as i was advised this is the best i was going to let the forte do is best before removing the injector for testing but whilst out the other day the spanner light comes on every time i let the car go to tickover and it goes into limp mode if i keep the revs up slightly the miss doesnt occur and the car doesnt go into limp mode,whilst this is frustrating i think i can live with it for a while as i dont use the car that much. Thanks.

  2. #2
    Regular Member Celes's Avatar
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    Slovenia, Koper
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    Vehicle : Opel Signum

    Trim : Sport

    Engine : 3.0 CDTI

    Year : 12/03

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    Cylinder number 4 is the second one on the front bank

  3. #3
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    Get them to pull up the codes whilst it's there.

    Oh, and be careful, if they have no experience of this engine (don't know which cylinder is which) that they don't start chucking parts on in hope... at your expense!

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