Symptom Tree
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Idle shutdown or PTO shutdown features are activated |
Check the time limit on idle and PTO shutdowns with an electronic service tool. Refer to Procedure 101-007 (Electronic Controlled Fuel System) in Section 1. |
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Fuel level is low in the tank |
Fill the supply tank. Refer to the OEM service manual. |
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Air in the fuel system |
Check for air in the fuel system. Tighten or replace the fuel connections, fuel lines, fuel tank standpipe, and fuel filters as necessary. |
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Fuel filter or fuel suction line is restricted |
Replace the fuel filter. Refer to Procedure 006-015 (Fuel Filter – Spin-on) in Section 4. Check the fuel suction line for restriction Procedure 006-015 (Fuel Filter – Spin-on) in Section 4. |
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Fuel is waxing due to cold weather |
Check the fuel heater, if installed. Weather conditions sometimes require a fuel heater. |
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Fuel inlet restriction |
Check for fuel inlet restriction. Contact a Cummins Authorized Repair Facility. |
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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 high-quality fuel. Refer to Procedure 018-002 (Fuel Recommendations and Specifications) in Section V. |
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Air intake system restriction is above specification |
Check the air intake system for restriction. Clean or replace the air filter and inlet piping as necessary. Refer to Procedure 010-058 (Air Intake Piping) in Section 3. |
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Engine brake adjustment is not correct |
Adjust the engine brakes. Refer to a Cummins Authorized Repair Location. |
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| Contact a Cummins Authorized Repair Facility |
