misses at idle and while driving

1995 CHEVROLET MONTE CARLO
187,000 MILES
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BRIMC1965
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1995 chevy monty carlo - Replaced plugs wires,checked coil packs not sure what the problem is, HELP!!! feels like it misses while driving also misses at idle,tack is unstable
Mar 22, 2012 at 12:58 AM
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