Have an active code:

SID:18 FMI:4 Fuel Control Valve - Voltage Below Normal or Shorted Low

I've not been able to locate any info on this truck. Need a wiring diagram if possible.

VIN - 1FV3GFHC8YHG64254

Cummins 5.9L B CNG engine

Came in with a miss u... Login to read more.