Ah... now I've got your attention !.
Over the last week, the cars been misfiring every now and then, and not always either cold or hot ?.
At first I thought it could be the camshaft sensor, so I did a code check using my reader (Sealey VS8700), and there are no codes showing

? :-? .
I'm thinking it could be a sparking issue somewhere perhaps, and went to get the Coil pack out and found because the rubber insulators on the coil pack have had it, would this cause the spark to arc away from the plug and onto the head, causing an earth ?.
Is there anyway to actually check that the coil pack itself is okay, and bearing in mind I'm no electric wizard, so please don't go too tech with an explanation if you do know how it can be checked out ?.
I'm guessing that you can't get the rubber insulators from Vauxhall on their own, and would result in me paying mega pounds for the whole thing ?.
Does anyone know if there are replacements that don't cost the earth, but just as good.
The only other thing that I thought maybe a possibility is that the exhaust cat is on it's way out, and blocking the cat, causing a misfire. The car does seam to sound a little louder than I remember ?.
Anyone have any suggestions please ?.

