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:
- Acquire a fuel sample from the vehicle fuel tank(s).
- Submit fuel sample for an ASTM test analysis.
- If the fuel meets specifications, check for a restrictive air cleaner; refer to "8.2 Restricted Air Cleaner Element" .
- 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:
- 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.
- Refill the fuel tanks with new ultra-low sulfur diesel fuel.
- 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:
- Start and run the engine.
- Run the engine at idle with a no-load for approximately 5 minutes, allowing the engine coolant to reach normal operating range.
- Visually inspect exhaust for excessive smoke.
- If the engine exhaust smoke emission appears normal, no further troubleshooting is required. Shut down the engine.
- 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 |