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1987 Buick Gran Nat, Injector Waveform
Posted to the Waveform Library on 1/8/2000

This car has an Intermittent stumble from a rich condition. It seems as though the injectors are randomly staying open too long during the event. Each injectors voltage waveform was recorded one at a time, I Left the amp probe clamped around the injector feed ...

 

car Vehicle Data

1987 Buick Gran Nat 3.8L

VIN IG4GJII74H
Engine3.8 L / 6 cyl
SubsystemECM/Inputs/Outputs
Component
ConditionUnknown

car Vehicle Data

1987 Buick Gran Nat 3.8L

VIN IG4GJII74H
Engine3.8 L / 6 cyl
SubsystemECM/Inputs/Outputs
Component
ConditionUnknown