My oil pressure drops to zero anytime I drive a significant amount of miles at one time (more than 40). If I shut the car off for about 10 minutes it the pressure goes back up and everything seems fine. I just had my oil changed so I know that is not the issue. My vehicle is a 2002 Suburban and I have over 2000,000 miles on it. Does anyone know why this keeps happening?

Asked by Apr 25, 2016 at 12:58 PM about the 2002 Chevrolet Suburban 1500 LT 4WD

Question type: Maintenance & Repair

1 Answer

28,065

this needs to be addressed...first of all remove the sending unit.turn over the engine for 2-3 seconds...did it make a mess? if so replace the sending unit and or check the wires...

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