Series 60 DDEC V Troubleshooting – Section 4.8 Fuel Supply Valve

Section 4.8
Fuel Supply Valve

To determine if the fuel supply valve is causing starting difficulty, check that fuel supply valve is open; refer to OEM guidelines.‪

1. Check that fuel supply valve.
2. Is the valve open?
   1. If the fuel supply valve is open, check the fuel filters; refer to "4.9 Plugged Fuel Filter(S)" .
   2. If the fuel supply valve is closed, repair is necessary; refer to "4.8.1 Fuel Supply Valve Repair" .

Section 4.8.1
Fuel Supply Valve Repair

Perform the following steps for fuel supply valve repair:‪

1. Open the closed valve; refer to the appropriate service manual, fuel system chapter.
2. Prime the fuel system; refer to the appropriate service manual, operation and verification chapter.
3. Verify fuel supply valve repair; refer to "4.8.1.1 Test Engine with Fuel Supply Valve Open" .

Section 4.8.1.1
Test Engine with Fuel Supply Valve Open

To determine if opening the fuel supply valve resolved starting difficulty, attempt to start and run the engine.‪

1. If the engine starts and runs, no further troubleshooting is required. Shut down the engine.
2. If the engine fails to start and run, check the fuel filters; refer to "4.9 Plugged Fuel Filter(S)" .