low oil pressure when idling and knocking on acceleration

Asked by Jul 31, 2017 at 09:32 PM about the 2001 GMC Sonoma SLS Extended Cab Short Bed 2WD

Question type: Maintenance & Repair

1 Answer

30

...thats not a good sign. Probable weak oil pump has caused a failed main bearing. Rebuild time before she detonates and really breaks stuff.

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