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1991 Acura Integra, Injector, Ignition - Primary, SPOUT Waveform
Posted to the Waveform Library on 1/4/2002

top line is injector current measured with fluke80i110 set on 100mv per amp,next line is #4 inj signal next is ign primary next is igt from pcm , this shows inj current drop out on #2 injector + something on igt ,

problem was dirty connections at pcm.

 

car Vehicle Data

1991 Acura Integra LS 1.8L

Engine1.8 L / 4 cyl / GAS
Trans4-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component, ,
ConditionKnown Bad

car Vehicle Data

1991 Acura Integra LS 1.8L

Engine1.8 L / 4 cyl / GAS
Trans4-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component, ,
ConditionKnown Bad