what causes oil gauge fluxuation on 08 dodge ram 1500 4.7 flex

15

Asked by Nov 01, 2016 at 05:21 PM about the 2008 Dodge Ram 1500 SLT Quad Cab

Question type: Maintenance & Repair

I recently replaced water pump, thermostat, belt, fan clutch and coolant. 1st test drive engine ran too hot. Checked coolant added I/2 gal. ran seemed ok. Next day made 15 mile trip last mile temp gauge pegged check gauge light came on. Stopped and checked engine didn't seem to be hot added another 1/2 gal. coolant gauge back to normal. Monday drove to work & back 30 miles all is well. On Tuesday drove back to work and on the way home all is well until I turned into driveway and stopped now oil gauge dropped to zero check light came on revved engine oil pressure came back up but dropped at idle again. What could be going on here?

2 Answers

5,885

Do a oil pressure test with a gauge to determine if you have a pressure issue or bad indicator. Sounds like you're loosing pressure

47,605

Zero oil pressure is a death sentence for your engine. Don't drive it until you solve the problem. I am guessing you have a blown head gasket or another serious problem. Do you have white smoke from the tailpipe?

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