Fuel Leak Diagnosis
Diagnostic Instructions
Reference Information
Special Tools
EN 28428-E High-Intensity Black Light Kit
For equivalent regional tools, refer to Special Tools .
Circuit/System Testing
- 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 250 g of oil dye to the fuel tank.
- Start and idle the engine for 3-5 min.
Note: 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 EN 28428-E High-Intensity Black Light Kit. A fuel leak should not exist.
⇒ | If a fuel leak is located, tighten or replace any leaking lines or components. |
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© Copyright Chevrolet. All rights reserved |