what does it mean when oil pressure drops under 40 lbs in a 2000 yukon xl

Asked by Mar 19, 2014 at 09:50 PM about the 2000 GMC Yukon XL 1500 SLT 4WD

Question type: Maintenance & Repair

180000 miles on a 5.3 v8

2 Answers

35,405

It could be time to change the oil. Or the oil pressure sending unit needs to be replaced. OR the oil pump is getting weak. I hope it's one of the first two.

35,405

It could be time to change the oil. Or the oil pressure sending unit needs to be replaced. OR the oil pump is getting weak. I hope it's one of the first two.

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