corsa c 1.2 i have had a problem with cylinder no4 the plug goes black burning oil and bad on fuel i changed the valve seals still same is it the rings worn out compression test all cylinders same100psi not really good thanks
see from your previous listing a wet test improved your readings,nothing for it but to remove pistons for a look,while you are there you may as well replace rings and give the bores a hone if they are not too badly worn
cdc
January 2011
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