1993 Pontiac Firebird ECM codes

1993 PONTIAC FIREBIRD
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STEWMAN1955
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Computer problem
1993 Pontiac Firebird 6 cyl Two Wheel Drive Automatic

cannot get codes to flash using a code reader what causes this
Jun 28, 2010 at 8:09 AM
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BLUELIGHTNIN6
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are you using correct scanner? should use a OBD I style scanner. also make sure cigar lighter fuse is good.
Jun 28, 2010 at 11:29 AM