Quote:
Originally Posted by borderm3
For anyone interested. My customers car ended up failing vacuum test on #6 cylinder. So there is either broken ring and/or ring lands on piston. Valvetrain passed vacuum testing.
It is still unclear what has caused the failure.
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Interesting that many of these failures on are cylinder 6. Interested to hear what you find, lots of speculation on faulty injectors washing down the cylinder walls causing scoring on the walls and maybe even ring destruction.