1990 Plymouth Laser Rough Idle

1990 PLYMOUTH LASER
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MSONNY35
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Engine Performance problem
1990 Plymouth Laser 4 cyl Two Wheel Drive 87000 miles

hello i have 1990 plymouth laser turbo
motor shakes real hard so i changed plug wires
and the plugs still shaked hard then i changed
coilpackes for spark. did not work so i checked the spark the 2 outer plugs had spark the 2 middle plugs had no spark what else could it be what else stops the spark please help me thanks mike.
Jul 30, 2010 at 11:48 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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