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1998 GMC K1500 Sierra SL, ECM/Inputs/Outputs Waveform
Posted to the Waveform Library on 2/1/2014

This is normal running but look at current spike at one of the red [...] are 8 ckp pulses between the number 1 inj turn on. orange number 1 inj, purple ckp, green est and red is coil current for all 8 inj

 

car Vehicle Data

1998 GMC K1500 Sierra SL 5.0L

Engine5.0 L / 8 cyl / GAS
Trans5-speed StandardTransmission
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component,

car Vehicle Data

1998 GMC K1500 Sierra SL 5.0L

Engine5.0 L / 8 cyl / GAS
Trans5-speed StandardTransmission
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component,