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1989 Pontiac Grand Prix, Injector Waveform
Posted to the Waveform Library on 4/24/2001

Fuel injector bank current shown. Taken from fuse box under hood. Note sharp rise time when turned on and the below negative tail after off signal.( usually a sign of one or more shorted fuel injectors.

 

car Vehicle Data

1989 Pontiac Grand Prix SE 3.1L

VIN 1G2WK14T2K
Engine3.1 L / 6 cyl / GAS
Trans4-speed AutomaticTransaxle
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad

car Vehicle Data

1989 Pontiac Grand Prix SE 3.1L

VIN 1G2WK14T2K
Engine3.1 L / 6 cyl / GAS
Trans4-speed AutomaticTransaxle
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad