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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

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โˆ™ 2015-07-15 19:14:26
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Q: How do you fix an engine oil leak on a 1991 Pontiac Grand Prix 3.1?
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