Series 60 DDEC VI Troubleshooting – Section 8.1 Improper Grade of Diesel Fuel

Section 8.1
Improper Grade of Diesel Fuel

To determine if an improper grade of diesel fuel is causing excessive black or gray smoke, perform the following: ‪

  1. Acquire a fuel sample from the vehicle fuel tank(s).
  2. Submit fuel sample for an ASTM test analysis.
    1. If the fuel meets specifications, check for a restrictive air cleaner; refer to "8.2 Restricted Air Cleaner Element" .
    2. If the fuel did not meet specifications, resolve improper grade of fuel; refer to "8.1.1 Improper Grade of Fuel Resolution" .

Section 8.1.1
Improper Grade of Fuel Resolution

Perform the following steps to resolve the improper grade of fuel oil:‪

  1. Drain the fuel oil tanks, refer to OEM guidelines, and dispose of properly.

    NOTICE:

    Use only Ultra-Low Sulfur Diesel (ULSD) fuel (15 ppm sulfur content maximum), based on ASTM D2622 test procedure.‪

  2. Refill the fuel tanks with new ultra-low sulfur diesel fuel.
  3. Verify fuel resolution; refer to "8.1.1.1 Test the Engine with New Fuel" .
Section 8.1.1.1
Test the Engine with New Fuel

Perform the following steps to determine if the fuel refill resolved the excessive exhaust smoke condition: ‪

  1. Start and run the engine.
  2. Run the engine at idle with a no-load for approximately 5 minutes, allowing the engine coolant to reach normal operating range.
  3. Visually inspect exhaust for excessive smoke.
    1. If the engine exhaust smoke emission appears normal, no further troubleshooting is required. Shut down the engine.
    2. If the engine exhaust smoke is excessively black or gray, shut down the engine. Check the air filter; refer to "8.2 Restricted Air Cleaner Element" .


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

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