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From: Stu on 10 Nov 2009 17:34
On Mon, 09 Nov 2009 21:19:00 GMT, "Mrcheerful" <nbkm57(a)hotmail.co.uk>
wrote:

>it is extremely difficult to see a tracking spark on 'coil on plug'
>vehicles, and in any case if the misfire only occurs when the engine is
>loaded (ie not when ticking over then there will be nothing to see in any
>case.)
>
>I would try a scrupulous clean of each coil pack and spray it well with
>wd40, clean the outsides of the plugs well too, and then try it, if there is
>an improvement then you are on the right track (no pun intended) the other
>problem is that the coil may be tracking internally like mondeo ones do and
>then the only way is to substitute with a known good pack.
>
>there is also the possibility that the fault lies somewhere else completely,
>such as a tdc sensor.
>

Thanks, Mr Cheerful

I'll do as you suggest and see if I can get any noticable improvement.
Failing that, I don't think it's worth getting into advanced
diagnostics to try and solve a very small driveability issue that only
affects a completely cold engine. I'll wait and see what develops. ;-)

Cheers,

Stu
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