Symptom Tree
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Air intake system restriction |
Check the air intake system for restriction. Refer to Procedure 010-058 (Air Intake Piping) in Section 3. |
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Turbocharger wheel clearance is out of specification |
Check the radial bearing clearance and axial clearance. Inspect the turbocharger. Repair or replace the turbocharger if necessary. |
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Air intake or exhaust leaks |
Check for loose or damaged piping connections and missing pipe plugs. Check the turbocharger and exhaust manifold mounting. Refer to a Cummins Authorized Repair Location. |
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Fuel grade is not correct for the application or the fuel quality is poor |
Operate the engine from a tank of good fuel. Refer to Fuel Recommendations and Specifications in Section V. |
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Fuel drain line restriction |
Check or replace the fuel lines, check valves, or tank vents as needed. Refer to a Cummins Authorized Repair Location. |
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| Contact a Cummins Authorized Repair Facility |
