This topic contains 1 reply, has 2 voices, and was last updated by 
Richard Kirshy 2 years, 7 months ago.
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Hello all new to the forum. I have a 2002 chevy prizm with 152000 current miles. Bought the car with 89000. When I first bought the car and it became my daily driver I immediately noticed it’s increased oil consumption. At the time I was busy with life so I didn’t address the issue causing it. I have always just kept adding oil as needed. Now I am looking to address the issue as it is burning close to a quart of oil in a 100 mile drive on the interstate. Any recommendations on how to unstick piston rings?
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That will depend on how you’d like to approach the issue.
Simplest attempt, if indeed the issue is clogged rings.
Try adding Marvel Mystery oil to the crank case as per the instructions and see if it improves.Might also do a compression test on each cylinder to see what the mechanical condition of the engine is in.
From there, do a leak down test on each cylinder to see if your dealing with worn piston rings and/or cylinder walls.
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