low oil pressure on 2011 silverado

Asked by JGR1018 Nov 14, 2019 at 01:06 PM about the 2011 Chevrolet Silverado 1500 LT Crew Cab RWD

Question type: Maintenance & Repair

i have a 2011 silverado 5.3 with about 150k
miles.  it idles pretty rough and oil pressure at
idle is just over 20 psi. oil level is fine and
doesn’t leak or anything

2 Answers
10

GuruNSLXD answered 5 years ago

Im having the same issue. Try replacing the oil pressure sending unit/switch and filter beneath it. I've put 2 new ones in and still have the same problem but it might help you. What rpm is it idling at?

Mark helpful
10

GuruNSLXD answered 5 years ago

Try changing the oil and filter. Use 5 quarts 5w 30 and 1 quart Lucas for high mileage oil additive. Seems to have been what mine needed and had same problem

Mark helpful

Your Answer:

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