To determine if the fuel supply valve is causing starting difficulty, perform the following steps:
Check that fuel supply valve is open; refer to OEM guidelines.
- If the fuel supply valve is open, check the fuel filters;
- If the fuel supply valve is closed, repair is necessary;
Fuel Supply Valve Repair
Perform the following steps for fuel supply valve repair:
- Open the closed valve;
- Prime the fuel system;
- Verify fuel supply valve repair;
Test Engine with Fuel Supply Valve Open
Perform the following steps to determine if opening the fuel supply valve resolved starting difficulty:
Attempt to start and run the engine.
- If the engine starts and runs, no further troubleshooting is required. Shut down the engine.
- If the engine fails to start and run, check the fuel filters;