1994 t'bird w/4.6L engine has no compression on #5 cylinder. what's the most common problem?
Aug 8, 2011 at 3:23 PM
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RASMATAZ
✓Experienced Mechanic
75,988 POSTS
Valves, Rings and cylinder wear on it-time for a rebuld/overhaul
Aug 8, 2011 at 3:31 PM
CADIEMAN
✓Experienced Mechanic
3,544 POSTS
run a wet test on the cylinder.squirt some oil in the cylinder.check the compression if it reads the rings are shot if still nothing you have a valve problem.then youll have to pull that head to inspect.