Ram / Dodge 5.9L Cummins
5.9L Cummins diagnostics
Diagnosing fuel, air and electrical faults on the common-rail 5.9L Cummins.
Why this matters on the 5.9L Cummins
The 5.9L is durable, but supply pressure, injector wear and sensors cause most drivability complaints.
Symptoms owners notice
- Low power
- Smoke
- Hard start
- Surging
What we check
- Lift pump pressure
- Rail pressure
- Injector contribution
Repair work involved
- Findings before work begins
Trucks with the 5.9L Cummins
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