low oil pressure warning but also hear engine tapping.

Asked by Nov 13, 2015 at 04:13 PM about the 2006 GMC Sierra 1500 SLE1 Crew Cab 5.8 ft. SB

Question type: Maintenance & Repair

low oil pressure warning but also hear engine tapping. Heard it could be the
oil pump gone bad.

3 Answers

92,215

It could be a bad oil pump, plugged or collapsed oil filter, low oil level or worn engine. That tap you hear may be a rod knock, if so your engine will need a re-build.

1 of 1 people found this helpful.
11,670

The tapping confirms the warning is correct

58,345

Certainly the oil pump could be bad. If it was not serviced properly I would suspect a plugged oil pick up screen. I sure wouldn't run the engine till the problem is discovered and repaired.

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