Ram 6.7L Cummins
6.7L Cummins fuel system repair
Lift pump, high-pressure pump and contamination diagnosis for the 6.7L Cummins.
Why this matters on the 6.7L Cummins
Supply pressure and fuel quality protect the high-pressure pump; late trucks use a CP4 pump.
Symptoms owners notice
- Hard start
- Stall
- Rail pressure codes
What we check
- Supply pressure
- Rail pressure
- Filter inspection
Repair work involved
- Pump and contamination repairs
Trucks with the 6.7L Cummins
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