No Compression
12-05-2007, 04:56 PM
#2
Senior Member
What do you mean by 'no' compression - zero, or much less than the rest of the cylinders?
A bent rod would likely cause a much reduced compression. A broken rod would likely have caused a racket ruckus, and the engine would likely be loping unevenly as it turned over.
Another thought that comes to mind is a blown head gasket, if the cylinders are adjacent. A bit more 'out there' possibility would be valves stuck open/closed.
A bent rod would likely cause a much reduced compression. A broken rod would likely have caused a racket ruckus, and the engine would likely be loping unevenly as it turned over.
Another thought that comes to mind is a blown head gasket, if the cylinders are adjacent. A bit more 'out there' possibility would be valves stuck open/closed.
12-08-2007, 11:19 AM
#3
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i had an engine do that it was bad rings nothing else. All i did was clean up the cylinder walls put new rings in ran like a champ after. easy way to tell if its the rings is to put some oil down the spark plug hole, If your compression goes up its your rings