Symptom Tree t029
| Cause | Correction |
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Fuel shutoff valve(s) closed (electronically controlled injection) |
Check the fuel shutoff valve and circuit. Refer to Procedures 019-049 and 019-050 in the CELECT™ Plus Systems, Troubleshooting and Repair Manual, Bulletin 3666130 and in the CELECT™ Systems Manual, Bulletin 3666084. |
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Fuel shutoff valve(s) closed (mechanical fuel system) |
Use the manual opening knob. Check the shutoff valve and the electrical circuit. Refer to Procedure 005-043. Replace the shutoff valve if necessary. |
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Fuel inlet restriction |
Check for fuel inlet restriction. Refer to Procedure 006-020. |
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Fuel leak is causing fuel to drain back in the suction line |
Check for fuel drain back. Refer to Procedure 005-011. |
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Air in the fuel system |
Check for air in the fuel system. Refer to Procedure 006-003. |
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Fuel pump (gear or shaft) is not rotating |
Check the fuel pump for shaft rotation and fuel flow. Refer to Procedure 005-016. |
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In-line check valve(s) is installed backward or has an incorrect part number |
Check the in-line check valve(s) for the correct part number. Check the arrow on the check valve(s) for the correct orientation. Refer to the OEM service manual. |
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Fuel pump gear pump check valve is stuck open |
Replace the check valve. Refer to Procedure 005-026. |
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Fuel pump pressure regulator is stuck |
Check the fuel pump pressure regulator and the high pressure regulator. Refer to Procedure 005-060. |
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Injector o-rings are damaged or missing |
Remove and check the injectors. Replace the injector o-rings. Refer to Procedure 006-026. |
