Originally Posted by mmanse
I will do a compression test on it tommorow if it's a valve that should show it up!
cheer's

you say you changed the chip? any chance its been fucked up on setup and is cutting at 6 instead of 8?
Id be more inclined to check on things changed recently rather than stuff thats possibly failed.
then id give a good look over all your wiring, and earths, cos lets face it all those bloody annoying niggly faults are invariably dodgy earths