2002 Saturn L200 4 cyl code po300 misfire

2002 SATURN L200
84,200 MILES • 4 CYL • FWD • MANUAL
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I have a code po300(misfire). There is no spark on the number two and three cylinders from coil pack. I replaced the coil pack and no change. what can it be? Thanks!
Oct 19, 2010 at 9:34 PM
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Could be a faulty crank or cam sensor.
Oct 19, 2010 at 9:36 PM