Diagnostic Instructions
Reference Information
Special Tools Required
J 28428-E High Intensity Black Light Kit
- Clean all of the fuel system lines using brake cleaning solvent, and let dry. For example, the fuel injection pump, the fuel injectors and rail, and supply lines.
- Add 8 ounces of oil dye to the fuel tank.
- Start and idle the engine for 3-5 minutes.
Important: A fuel leak may be caused by a restricted fuel return line.
- Inspect for fuel leaks around the fuel injection pump, fuel rails, and fuel supply lines with a
J 28428-E . A fuel leak should not exist.
⇒ | If a fuel leak is located, tighten or replace any leaking lines or components. |