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1998 GMC K2500 Sierra SL, Ignition Waveform
Posted to the Waveform Library on 4/6/2010

This is after acquiring a second new distributor. Here is a another capture under the same conditions; cranking WOT with the fuel disabled. One cylinder is questionable the rest of the firing KV's increased and are fairly even. The vehicle does not die if a ...

 

car Vehicle Data

1998 GMC K2500 Sierra SL 5.7L

Engine5.7 L / 8 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemIgnition
Component
ConditionKnown Good

car Vehicle Data

1998 GMC K2500 Sierra SL 5.7L

Engine5.7 L / 8 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemIgnition
Component
ConditionKnown Good