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1990 Cadillac DeVille, Ignition - Secondary, Vacuum/Pressure/Flow Waveform
Posted to the Waveform Library on 11/30/2006

Shorted injectors caught with red FLIS and black FLS Top image shows secondary showing rich and lean cylinders from the fuel delivery.

 

car Vehicle Data

1990 Cadillac DeVille 4.5L

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

car Vehicle Data

1990 Cadillac DeVille 4.5L

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