Just come back from mot retest 3rd one, it's now OK on the idle all green, but fast is all over the place, have replaced cat, plugs, leads, coils and sensors! Any ideas as to what it could be please
Just come back from mot retest 3rd one, it's now OK on the idle all green, but fast is all over the place, have replaced cat, plugs, leads, coils and sensors! Any ideas as to what it could be please