MBE 900 DDEC VI Troubleshooting – Section 5.8 Fuel Supply Valve

Section 5.8
Fuel Supply Valve

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

  1. If the fuel supply valve is open, check the fuel filters; refer to "5.9 Plugged Fuel Filter(S)" .
  2. If the fuel supply valve is closed, repair is necessary; refer to "5.8.1 Fuel Supply Valve Repair" .

Section 5.8.1
Fuel Supply Valve Repair

Perform the following steps for fuel supply valve repair:‪

  1. Correct valve operation or replace valve.
  2. Prime the fuel system, refer to MBE 900 Service Manual (6SE9007), operation and verification chapter-preparation for a first time start.
  3. Verify fuel supply valve repair; refer to "5.8.1.1 Test Engine with Fuel Supply Valve Open" .
Section 5.8.1.1
Test Engine with Fuel Supply Valve Open

To determine if opening the fuel supply valve resolved starting difficulty, perform the following steps :‪

warning

PERSONAL INJURY

To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.‪

  1. Attempt to start and run the engine, 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 "5.9 Plugged Fuel Filter(S)" .


EPA07 MBE 900 DDEC VI Troubleshooting Guide - 6SE580
Generated on 10-13-2008

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