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1990 Cadillac DeVille, Injector Waveform
Posted to the Waveform Library on 12/20/2007

Current ramp of one bank of injectors taken on a slow time base -- you are looking at three repetitions of the bank. In this waveform you can clealy see two injectors are shorted and drawing excessive current. This vehicle failed smog for excessive CO, the cat...

 

car Vehicle Data

1990 Cadillac DeVille 4.5L

Engine4.5 L / 8 cyl / GAS
Trans4-speed AutomaticTransaxle
DeliveryFuel Injection
SubsystemFuel Supply
Component
ConditionKnown Bad

References

TECH: Rich Caddy

car Vehicle Data

1990 Cadillac DeVille 4.5L

Engine4.5 L / 8 cyl / GAS
Trans4-speed AutomaticTransaxle
DeliveryFuel Injection
SubsystemFuel Supply
Component
ConditionKnown Bad

References

TECH: Rich Caddy