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Your 91 geo metro it is using oil and smokes has had a tune up and valve job what else could it be?
Wiki User
∙ 18y ago
If it has high mileage it may be pushing oil past the piston rings. When a valve job is done to a high mileage motor it tends to worsen a oil consumption problem because it seals the top end of the motor but the bottom end(rings,pistons) cannot hold the extra pressure caused by the now more efficient top end.The tune-up has no bearing on this problem. I would use no less then a 10w40 (preferably 20w50) oil with a can of STP.This will help you to get by.
Wiki User
∙ 18y ago
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