missfire

[andrew3530]

hi joined today
ive got a 1990 n/a 160.000 miles, its got a slight miss fire especially at idle.
ive changed plugs and leads, but still the same.
it had a new head gasket last year. can anyoner help : :ewww:

[Bryank]

Hi and welcome :)

any idea which cylinder? pull the coil leads off one at a time from the dizzy (mind you don't get shocked!) and try to suss out which one it is for starters.. might be a dodgy injector, esp at 160k..