Oil gage fluctuates from registering pressure to off. It does this intermittenly. on 2005 GMC Savana 3500

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.

Asked by for the 2005 GMC Savana 3500
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.