What is making my car burn a lot of oil ??
10

Asked by Worriedgmcsierraowne... Jan 04, 2014 at 01:52 AM about the 1990 GMC Sierra C/K 1500

Question type: Maintenance & Repair

I have a 1990 gmc sierra 5.7L and it
burn a lot of oil at mid to high rpm's.
When its in low rpm's it doesnt burn
oil but once you rev it..it start burning
a lot of oil .. Could it be the pcv
valve??

1 Answer

Your Answer:

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