answersLogoWhite

0

First I'd check valve adjustment, and the valves themselves to see if they are hanging open because they are either overtightened or damaged. Hopefully the problem is with the valvetrain because if it isn't, there is a good chance you have had a catastrophic engine failure, like holes in the pistons, a severely cracked block or cylinder head, etc. A bad head gasket is a possibility, but blown head gaskets rarely effect 3 cylinders (it's usually only one, or two adjacent cylinders) and rarely result in ZERO compression. The best case scenario would simply be overtightened valves because if no damage has been caused by them it's an easy fix that costs virtually nothing to fix. It is also the least likely culprit unless the valves were recently adjusted as a result of an engine rebuild or repair. If you (or someone else) just adjusted the valves due to repairs or a rebuild, it's definitely the first thing to check because it would be the most likely under those circumstances. Also check to make sure the camshaft is actually turning and opening/closing the valves. If it isn't, you will have at least three cylinders with valves hanging open, thus zero compression.

User Avatar

Wiki User

11y ago

What else can I help you with?

Trending Questions
How do you replace the license plate light bulb on a 2004 Pontiac Grand Prix? What would cause the front end on a 1994 Chevy Z71 with a 6in lift and 35in tires to shake real hard when hitting a bump in the road or breaking when all the tie rod end and ball joint are new and the? How many liters of motor oil is required in a Ford Ranger 2008 xlt 2.5L? What is the firing order for a 2000 Pontiac grand am 2.4L? How do you disable drl's on 2000 Monte Carlo? How do you run the diagnostic system check on a 2003 Ford Explorer? How do you replace a Trane outdoor compressor unit contactor and can you do this yourself with good mechanical skills and what is the approximate part cost? How do you know if Chevy S10 pick up needs a new transmission changed clutch fan alternator water pump none of those take away the loud sound? How much oil in 2004 f350 5.4L? When you try to turn your key to start your truck the key wont turn? Chevy Monte Carlo 2007? When to change transmission fluid on 2006 vue? What is the firing order of an 1982 Honda 1100GL? Where is the crank sensor on a mercury villager? P0442 error code 2003 Chevy venture? Is it ok to drive in 4 wheel high? Where is the convertible top motor located in a 1999 Chrysler convertible? Most expensive microphone? How do you remove the side view mirror housing on a 1997 SL? Why 1996 Olds Ninety-eight ac fan won't stop after car is turned off since for other years said to replace ac relay switch located near firewall but not sure what that looks like so pictures anywhere?