Symptom Tree t041
| Cause | Correction |
|---|
|
Electronic fault codes active or high counts of inactive fault codes |
Refer to Section TF for fault code troubleshooting. |
 |
|
Engine produces black smoke |
Refer to Smoke, Black – Excessive symptom tree. |
|
|
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. |
|
|
Air in the fuel system |
Check for air in the fuel system. Refer to Procedure 006-003 in the Troubleshooting and Repair Manual N14 Series Engines (STC, CELECT™, CELECT™ Plus Models), Bulletin 3666142, or the Troubleshooting and Repair Manual M11 Series Engines (STC, CELECT™, CELECT™ Plus Models), Bulletin 3666139. |
|
|
Injectors are malfunctioning |
Perform a road test or dynamometer test. Use the data to determine if the engine is overfueled. Replace injectors as necessary. Refer to Procedures 006-005 and 006-026 in the Troubleshooting and Repair Manual N14 Series Engines (STC, CELECT™, CELECT™ Plus Models), Bulletin 3666142, or the Troubleshooting and Repair Manual M11 Series Engines (STC, CELECT™, CELECT™ Plus Models), Bulletin 3666139. |
