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1993 Pontiac Firebird Formula 5.7L No Start
Posted to GM Driveability on 2/9/1999

Need help checking this opti-spark distributor. There are 4 wires that plug into it. yellow is battery feed 12 volts there is low and high resolution and there is a aquare wave on both of these but i cant find a signal on distributor reference but the scan...

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car Vehicle Data

1993 Pontiac Firebird Formula

VIN 2G2FV22P6P
Engine5.7 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / PORT FUEL INJECTION
EmissionsUS FED
SymptomsNo Start
OccursAt All Times
Misc.Opti-Spark
Message Closed

car Vehicle Data

1993 Pontiac Firebird Formula

VIN 2G2FV22P6P
Engine5.7 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / PORT FUEL INJECTION
EmissionsUS FED
SymptomsNo Start
OccursAt All Times
Misc.Opti-Spark