Question about 2002 Suzuki XL-7
Burning oil when engine starts, front passenger spark plug has oil on it, also when you accelerate hard with the gas pedal down it smokes and knocks.can't find engine diagram showing cylinder layout or firing order either.
Most common reason for that is worn valve stem seals and or guides or gunk buildup in the cylinder head blocking oil return holes.... Or, broken piston ring or burned piston lands. (use compression test to verify that) Knocking can be from oil detonating in cylinder or bad rod bearing etc.
Posted on Sep 24, 2009
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Posted on Jan 02, 2017
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