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1999 Mack CH 612, CMP Sensor Waveform
Posted to the Waveform Library on 4/20/2004

This is what my signal looked like when truck was in "limp home" mode. The extra spikes were injector pulses bleeding into the cam sensor wires. The harness must have rubbed through behind he engine head.

I ran a new shielded twisted pair for the cam sensor ...

 

car Vehicle Data

1999 Other HD CH 612 11.0L

Engine11.0 L / 6 cyl
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad

car Vehicle Data

1999 Other HD CH 612 11.0L

Engine11.0 L / 6 cyl
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad