| Bulletin Date: | Feb. 20, 2019 |
| Component: | Gasoline fuel system |
| Bulletin Summary: | Certain c7 and c9 truck engines are having fuel injectors fail with the check engine light for -7 injector codes at very early hours. The fuel injector -7 not responding properly codes are incorrectly triggered by the software, based on fue |
| Vehicles covered in this TSB: |
Caterpillar C7,
Caterpillar C9.
|
| Bulletin Date: | Jan. 16, 2019 |
| Component: | Electrical system |
| Bulletin Summary: | A new fuel injector solenoid for parts service is now used which has silver coating for the contacts to match the harness pin coating to help prevent electrical faults. |
| Vehicles covered in this TSB: |
Caterpillar C7,
Caterpillar C9.
|
| Bulletin Date: | Aug. 30, 2017 |
| Component: | Fuel injection system |
| Bulletin Summary: | Fuel leaking past injector tip seal, into engine oil. Caterpillar is aware of this problem, but an interim repair has not been defined. Please replace with same part. |
| Vehicles covered in this TSB: |
Caterpillar C7,
Caterpillar C9.
|