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1994 Ford E-350 Econoline, ECM/Inputs/Outputs waveform
Posted to the Waveform Library on 6/9/2009

The van would surge at idle. This is PID data from the MAP sensor. You can see the spikes & dips in the signal, but backprobing the MAP sensor measured at steady signal.

 

car Vehicle Data

1994 Ford E-350 Econoline 7.5L

Engine7.5 L / 8 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component,
ConditionKnown Bad

car Vehicle Data

1994 Ford E-350 Econoline 7.5L

Engine7.5 L / 8 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component,
ConditionKnown Bad