Question about 2002 Oldsmobile Bravada
Sounds like a lifter may not be pumping up (assuming that it's hydraulic) You can add fuel treatments/ additives that helps lubricate the top end of the motor/piston. Also I think there is such stuff like honey bee oil, which is an extremely thick oil to help with valve seat leaks and blow-by etc..... May want to try 5 min motor flush to help clean the top end to see if it clears it up.
Posted on Oct 12, 2013
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Posted on Jan 02, 2017
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