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compression problem


tsimpson's Avatar
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Join Date: Nov 2017
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November 13th, 2017, 12:44 PM   #1  
compression problem

2002 Malibu 3.1 oil coming out of exhaust port number 3 cylinder low compression 45 is this a oil ring problem?

 
bandit_601948's Avatar
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Join Date: Feb 2013
Posts: 74

November 13th, 2017, 1:25 PM   #2  
sounds like maybe a oil ring stuck and letting the oil pass it by or maybe a valve seal ! if it has a lot of miles on it than it's possibly could be a valve seal or ring !

 
kevinkpk's Avatar
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November 13th, 2017, 2:47 PM   #3  
Oil ring won't cause low compression, however an exhaust valve either burnt, or not seating will, and also the oil in the exhaust. If you can get a small flex scope, pull the #3 plug, see what's going on.

 
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