Question about Buick Rainier
Yes, it could all be a leaking head gasket. The coolant could be going into the oil pan and you could be loosing compression thru the gasket.
A mechanic would run a compression test on all 6 cylinders and check for leaks.
Posted on Jan 15, 2013
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Posted on Jan 02, 2017
SOURCE: Engine 3800 for 98 Park
Sounds like your oil pressure sending unit is faulty! When you turn the key on, is the gauge reading low, then you start it and it pegs out? if so, the sending unit has failed.
Posted on Dec 15, 2010
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