Section 4.8 Plugged Fuel Filter(S)

Section 4.8
Plugged Fuel Filter(S)

To determine if a plugged fuel filters is causing starting difficulty, perform the following steps: ‪

  1. Disconnect the fuel line return hose from the fitting located at the fuel tank.
  2. Place the opened end of fuel line into a five gallon container.
  3. Start the engine.
  4. Run the engine at 1000 rpm.
  5. Clock fuel rate for one minute.
  6. Measure the amount of fuel flowed into the container.
    1. If the fuel flow is greater than 3.8 L/min (1 gal/min), check for air in fuel; refer to "4.10 Aerated Fuel" .
    2. If the fuel flow is less than 3.8 L/min (1 gal/min), replace the fuel filters; refer to "4.8.1 Plugged Fuel Filter(s) Replacement" .

Section 4.8.1
Plugged Fuel Filter(s) Replacement

Perform the following steps to replace fuel filter(s):‪

  1. Replace the fuel filter; refer to the appropriate service manual, preventive maintenance chapter.
  2. Test the engine to determine if starting has been improved; refer to " Test Engine with Replaced Fuel Filters" .
Test Engine with Replaced Fuel Filters

To determine if the replaced fuel filters resolved the starting difficulty, refer to "4.8 Plugged Fuel Filter(S)" for the exhaust caution before proceeding. 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 pump; refer to "4.9 Fuel Pump" .

EPA07 Series 60 DDEC VI Troubleshooting Guide - 6SE567
Generated on 10-13-2008

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