Burning oil

Asked by Apr 24, 2016 at 08:46 AM about the 1994 GMC Sierra 1500 C1500 SL Standard Cab LB

Question type: Maintenance & Repair

I have a 1994 GMC Sierra and it's burning oil, I
don't know y, but it doesn't smoke what could be
causing it, I just did a tune up and oil change not
even a month ago, it does have high mileage but
I'm just wanting to know whats causing it and what
I can do about it

1 Answer

222,775

How much are you burning? Mileage? Most probably worn valve seals or piston rings. You can try running thicker oil. But if you really want to fix, it would involve rebuilding or replacing the engine. do you want to keep the truck?

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