missing on 1992 Chevrolet S10 Blazer

i chainged plug wires and plugs but it still misses but not as bad when it idles no miss but when you put it in gear and drive it misses on my s10 blazer

by in Moulton, IA on March 09, 2011
1 answer
ANSWER by on March 09, 2011
Dist cap and rotor could be suspect. Remove and inspect for corrosion, moisture, cracks and burned up tip at the rotor. Also, look for vacuum leak that can cause a lean misfire.
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