Question about 1998 Saturn SL
You may be faced with missing cylinders due to exhaust valves sticking or not seating/sealing well generally caused by excessive oil consumption through valve seals and poor fuel quality.Listen to the exhaust while idling in gear and you may hear popping and feel the suction inwards on your hand which helps indicate this problem exists.Perform compression test on all cylinders and should see no more than 20% variance in the compression readings. One last ditch effort before removing the head and servicing valves may be to replace valve seals and run chevron techron in fuel system and run engine at freeway speeds for an extended amount of miles.This is the only additive that has proven usefull with this problem but works best as a preventitive measure before cylinders start dropping.
Posted on Jul 17, 2009
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Posted on Jan 02, 2017
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