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Thread: Coil Pack Fault?

  1. #1
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    Default Coil Pack Fault?

    My Vec is currently mis-firing

    It happened a few months ago, definitely felt like a mis-fire, which was confirmed by the AA, when they Tech-2'd it (problem on cylinder 2)

    They re-set the EML and I drove it fine for a while, but the other day it started again.

    Seeing as I'd recently had a water leak, the AA man suggested it may be a head-gasket problem, something I ruled out as it was only intermittent.

    It had a brand new set of spark plugs about 3 months ago, so I'm fairly sure the problem doesn't lie with them.

    In the past I'd have wondered about HT leads, but seeing as it doesn't have them...!

    Anyone agree that maybe I'm in need of a new coil pack?

    Or maybe I've got a faulty spark plug.

    I would swap the plugs about and see if the mis-fire appeared on another cylinder, but I've not got access to tech2....

    My car is a 1.8 2004 model, done 67k.

    Any suggestions much appreciated!

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    Default coil pack

    to test the coil pack, drive on a flat road at 25 mph in 5th gear, then flat foot it, it should pick up speed with no misfire, if it does misfire it could well be the coil pack, HOWEVER,, in my case it was a dodgy NEW plug, changed plugs to BOSCH, problem solved.

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