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1987 Ford F-150 Custom, Ignition - Secondary Waveform
Posted to the Waveform Library on 4/15/2005

Bad hall (pip) signal causing this condition. Check out the #2 cyl, again it is the worst one of the bunch. (almost no dwell at all). This is why on my primary coil current pics i labeled the #2 cyl as the one with the lowest dwell time and sometimes no dwell ...

 

car Vehicle Data

1987 Ford F-150 Custom 5.0L

Engine5.0 L / 8 cyl / GAS
Trans3-speed AutomaticTransmission
DeliveryFuel Injection
SubsystemIgnition
Component
ConditionKnown Bad

car Vehicle Data

1987 Ford F-150 Custom 5.0L

Engine5.0 L / 8 cyl / GAS
Trans3-speed AutomaticTransmission
DeliveryFuel Injection
SubsystemIgnition
Component
ConditionKnown Bad