Detroit Diesel Troubleshooting Diagrams

Series 60 Aerated Fuel

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To determine if aerated fuel is causing starting difficulty, perform the following steps: ‪

  1. Disconnect the fuel line return hose from the fitting located at the fuel tank; refer to OEM guidelines.
  2. Place the opened end of the fuel line into a suitable container.
  3. Start the engine.
  4. Run the engine at 1000 r/min.
  5. Visually check to see if air bubbles are rising to the surface of the fuel within the container.
    1. If air bubbles are present, repair is necessary.
    2. If air bubbles are not present, check for a restrictive air filter. Shut down the engine.

Aerated Fuel Resolution

Perform the following steps for aerated fuel resolution: ‪

  1. Shut down engine.
  2. Tighten all fuel line connections between fuel tank and fuel pump; refer to OEM guidelines.
  3. Visually inspect all fuel lines between fuel tank and fuel pump for leaks.
  4. Replace damaged components as required; refer to OEM guidelines.
  5. Verify aerated fuel resolution.
Test Engine with Aerated Fuel Resolution

Perform the following steps to determine if aerated fuel resolution 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 for a restrictive air filter;
Summary
Article Name
Series 60 Aerated Fuel
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Description
To determine if aerated fuel is causing starting difficulty, perform the following steps
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Written by sam

November 23rd, 2011 at 3:29 am

Posted in Starting Difficulty

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