My oil pressure gauge shows lower readings?

Asked by Jan 04, 2014 at 04:08 PM about the 2007 Chevrolet Suburban LT1 1500 4WD

Question type: Maintenance & Repair

My oil pressure gauge has always been between 40-60. Recently it has a tendency to
drop after driving for several minutes to 5-20 psi. It even has hit zero while driving down
highway. No loud engine noises were heard at these times.

1 Answer

75,645

Are you due for an oil change? If so, change it and see what happens. Could be a faulty oil pressure gauge or gauge sending unit as well. HTH. -Jim

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