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Q: 2007 Chevrolet Suburban excessive oil consumption on 2007 Chevrolet Suburban 1500

Mine has been using excessive oil since less than 10,000 miles. First PCV valve replaced. Then service bulletin number 10-06-01-008a for the deflector “fix”
It hasn't fixed my 2007 suburban. Now we push for a new set of rings & pistons.

Has anyone really had it fixed yet?

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Is the truck started to use oil suddenly? Could you tell us what kind of oil are you using, weight, mineral or synthetic?
Is there excessive smoking? Does it blows a lots of smoke when you start it up at the first time?
Did anyone performed a compression and leak-down test before?

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