Oil pressure alarm

Asked by May 16, 2016 at 02:53 PM about the 2004 GMC Sierra 1500 4 Dr SLE 4WD Crew Cab SB

Question type: Maintenance & Repair

When truck is warm, oil pressure alarm goes
off when idling. Gauge reads normal. To get
alarm to stop, have to either shut off engine
or put in park and rev engine

1 Answer

19,235

first thing to do is service it...change the oil and filter...then you can mess with the sending units if need be..

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