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Oil gage fluctuates from registering pressure to off. It does this intermittenly.

(2005 GMC Savana 3500)
in Saint Charles, MO on May 03, 2011
when vehicle is started it may register the oil pressure or not. It stay off or come on for a while then go off. There is no rise of temperature of the engine.
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Popular Answer
on May 03, 2011
i would have the oil pressure verified with a manual gauge first. it may be a bad sending unit but you need to be sure. try our directory tab at the top of the page for a shop near you.

Roy
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