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1991 Ford Ranger, ECM/Inputs/Outputs waveform
Posted to the Waveform Library on 6/12/2008

Here, the signal is going not to ground, but below it. Not good.

 

car Vehicle Data

1991 Ford Ranger Custom 4.0L

VIN 1FTCR10X6M
Engine4.0 L / 6 cyl / GAS
Trans5-speed StandardTransmission
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad

car Vehicle Data

1991 Ford Ranger Custom 4.0L

VIN 1FTCR10X6M
Engine4.0 L / 6 cyl / GAS
Trans5-speed StandardTransmission
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad