9010 15 19 TM2361 (24JUN08) 9010-15-19 450DLC Excavator Operation and Tests 062608 PN=289 Diagnostic Information 1 Fuel System Test Check fuel system in the following procedure. 1. Check the system for leaks. • Fuel filters. • Fuel tank. • Fuel system lines. 2. Check fuel quality. 3. Check injection nozzles for correct calibration. Are any fuel system problems present? YES: Repair and retest. NO: Go to Air intake Check. – – –1/1 2 Air intake Check Check and clean Intake system. Was intake system plugged or dirty? YES: Clean and check fuel consumption. – – –1/1