Vaccum pump on a Six Liter sends vaccum to the 4WD, HVAC and nothing else IIRC, no engine control functions are controlled with vaccum.
Work Truck Threw a CEL. Turbocharger Underboost Condition Detected
- Thread starter 6 Nebraska IDIs
- Start date
Vaccum pump on a Six Liter sends vaccum to the 4WD, HVAC and nothing else IIRC, no engine control functions are controlled with vaccum.
dakotajeep
Patrolling
They may not throw codes but I had a clogged EGR not let my turbo operate as normal. But there were no codes.
Thad
Yup, but the OP stated he had a CEL and a turbo underboost code.
