Question about 1997 Jeep Grand Cherokee

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Gas in the oil - 1997 Jeep Grand Cherokee

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Probably a leaking fuel injector. Pull the spark plugs and see which plug is dark and wet and smells of fresh fuel. That cylinder's fuel injector should be pulled and checked for leakage. Gas will drip from the injector and seep past the piston rings where it ends up in the crankcase and dilutes the oil.

Posted on Feb 21, 2009

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