Symptom Tree t041
| Cause | Correction |
|---|
|
Electronic fault codes active or high counts of inactive fault codes |
Read the fault codes with an electronic service tool. Refer to Section TF for fault code troubleshooting. |
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Accelerator pedal or lever is restricted or malfunctioning |
Check the percent accelerator pedal or lever reading on an electronic service tool. Verify that it reads 100 percent with the accelerator pedal depressed and 0 percent when released. Calibrate the accelerator if possible. Replace the accelerator pedal if necessary. Refer to the OEM service manual. |
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|
Air in the fuel system |
Check for air in the fuel system. Refer to Procedure 006-003 in the Troubleshooting and Repair Manual, Signature, ISX and QSX15 Engines, Bulletin 3666239. |
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|
Injector is malfunctioning |
Perform the cylinder performance test. Replace injectors as necessary. Refer to Procedure 006-026 or 014-008 in the Troubleshooting and Repair Manual, Signature, ISX and QSX15 Engines, Bulletin 3666239. |
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|
Turbocharger oil seal is leaking |
Check the turbocharger compressor and turbine seals. Refer to Procedure 010-040 in the Troubleshooting and Repair Manual, Signature, ISX and QSX15 Engines, Bulletin 3666239. |
