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• When Monitored: • Set Condition: Possible Causes AIR IN FUEL SYSTEM FUEL DELIVERY SYSTEM CONCERNS FUEL INJECTOR(S) FUEL PRESSURE SOLENOID FUEL PUMP FUEL SYSTEM CONTAMINATION FUEL SYSTEM LEAK Diagnostic Test 1. CHECKING FOR OTHER ECM DTCS WARNING: HIGH-PRESSURE FUEL LINES DELIVER DIESEL FUEL UNDER EXTREME PRESSURE FROM THE WARNING: FUEL UNDER THIS AMOUNT OF PRESSURE CAN PENETRATE SKIN CAUSING PERSONAL With the scan tool, read the ECM DTCs. Are there any other DTCs present? Yes >> Refer to symptom list for problems related to the DTC other than this DTC. Perform the ECM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING). No >> Go To 2 2. CURRENT DTC NOTE: If the ECM detects and stores a DTC, the ECM also stores the engine/vehicle operating conditions NOTE: Before erasing stored DTCs, record these conditions. Attempting to duplicate these conditions may NOTE: Refer to the Service Information and perform the Air Bleed Procedure before continuing diagnosis. With the scan tool, erase the ECM DTCs. NOTE: Driving the vehicle up and down steep hills or rapid cornering with a low fuel level can cause this With the scan tool, read the ECM DTCs. Does the scan tool display this DTC? Yes >> Go To 3 No >> Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) 9 - 714 ENGINE DIESEL DIAG KJ |