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1990 Pontiac Firebird, ECM/Inputs/Outputs Waveform
Posted to the Waveform Library on 10/18/2022

amperage and voltage waveforms for B1 and B2 batchfired multiport injectors. Bank1 on the right has shorted injector.

 

car Vehicle Data

1990 Pontiac Firebird 3.1L

Engine3.1 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad

car Vehicle Data

1990 Pontiac Firebird 3.1L

Engine3.1 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad