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1992 Cadillac DeVille, Ignition - Secondary Waveform
Posted to the Waveform Library on 5/9/2001

I get this picture when I snap throttle when engine is nice and warm. Note that Module coil, and pickup coil has been replaced with OEM. This happens with all cylinders.

 

car Vehicle Data

1992 Cadillac DeVille 4.9L

Engine4.9 L / 8 cyl / GAS
Trans4-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemIgnition
Component
ConditionUnknown

car Vehicle Data

1992 Cadillac DeVille 4.9L

Engine4.9 L / 8 cyl / GAS
Trans4-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemIgnition
Component
ConditionUnknown