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How do you fix an engine oil leak on a 1991 Pontiac Grand Prix 3.1?
Wiki User
∙ 8y ago
Check under the distibritor, you may need to replace the o ring, it's not that expensive to have a mechanic do it for you. I replaced three on our 91 I recently sold it at 185000 miles
Wiki User
∙ 8y ago
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