My misfire problem is no more, after replacing various bits and bobs the problem hads vannished
I replaced the sparkplugs eventhough they were new and the problem got a lot better, but when putting the leads back on something just didn't feel right, the plug end of the lead wasnt the correct lengh for the plug.??? so I got some new leads, problem still there but better still.
A big thankyou to the person who told me that the rev counter gets its signal from the ignition Module, a new one finally arrived to day, I swapped it over and now the problem has compleatly gone....
So what with all my new bits, (the guy before me replaced the coil and cap etc), I have a perfect running Mi again, the idel is as SMooth as can be which is very good for an Mi as we'll all agree.
only thing is, the guy who owned it before me replaced the cambelt and both tensioners, I've got a high pitched whinning/screaming which get faster with engine revs - belt to tight maybe.??
..thanks again to everyone who gave me their advise and their oppions..
..Tony..