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2007 Jeep Grand Cherokee drinks oil

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2007 jeep grand cherokee, 3.7 liter, 151,000 miles, automatic. Vehicle runs great, driven daily, No codes, no driveway stains, no excessive smoke from exhaust. I have to add 2-3 quarts of oil between regular 3000 mile oil changes. Where is all this oil going?

Does the inside of your tailpipe have oily residue?

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Well if it was leaking it would be dripping all over the place so it's burning it. Normally that's Warren piston rings which cars cost a fortune to rebuild the engine. But you could change the cheap little PCV valve and pray that stuck open that's the only other alternative

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Already answered this one but mainly it's Warren piston rings you can do a compression test to see how worn they are do a wet and dry compression test

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