my z28 camaro is running rough after the catalytic converter was replaced

1994 CHEVROLET CAMARO
140,000 MILES
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STVRACER
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my camaro feels like and sounds like it isnt running on all of its cylinders! could the plugged catalytic converter i had cause the spark plugs to foul out or could it be another problem?
May 8, 2012 at 2:01 AM
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ASEMASTER6371
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it is another problem.

Roy
May 8, 2012 at 2:07 AM
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STVRACER
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well if it is lanother problem what would be causing my problem then?
May 10, 2012 at 2:01 AM
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DJCL
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Check the computer for codes first .
May 10, 2012 at 2:08 AM
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DSHELLY77
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It could be blockage from the old converters
May 10, 2012 at 2:44 AM
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DJCL
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You will have to start checking things like plugs wires engine vacuum fuel psi inj pulse ,,,
May 10, 2012 at 7:15 AM