Fuel Injection Fuel Rail Cleaning and Inspection

WARNING:

Refer to Safety Glasses and Compressed Air Warning

Courtesy of GENERAL MOTORS COMPANY

Inspect the fuel rail (1) and components for the following conditions:
- Damage, debris or restrictions to the fuel rail
- Damage, debris or restrictions to the fuel ports in the fuel rail
- Damage to the mounting area for the fuel rail
- Damage to the fuel rail mounting bolts or mounting bolt grommets/isolators
- Damage to the threads on the fuel rail feed fitting
- Damage to the threads in the fuel pressure sensor bore
- Damage to the fuel pressure sensor connector, threads, or sealing face