why does my engine shake and I hav slight loss of power on 1994 Suzuki Sidekick

I thought maybe miss fire but I did a complete tune up. but engine is still shaking.

Asked by for the 1994 Suzuki Sidekick
2 answers 2 comments
try doing a compression test to see if you have a bad cyl ,also check your fuel pressure
how do I check fuel pressure and for vacume issues
poss head gasket issue,did you overheat by any chance?
no over heating. engine and timing strong seams like a vacume line but I cant tell