|
|
Content .. 1031 1032 1033 1034 ..
3. EGR SYSTEM Refer to the symptom list and perform the CHECKING THE EGR SYSTEM test. Were any problems found during the EGR System test? Yes >> Repair or replace as necessary. Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) No >> 4 4. FUEL SYSTEM LEAK Turn the ignition off. 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 Is there any evidence of leakage? Yes >> Repair as necessary in accordance with the Service Information. Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) No >> Go To 5 5. FUEL SYSTEM CONTAMINATION NOTE: Mixing any other fuels such as gasoline or kerosine can cause this symptom to occur. 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 Is the fuel contaminated? Yes >> Repair as necessary in accordance with the Service Information. Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) No >> Go To 6 6. CHECKING BOOST PRESSURE Turn the ignition on. NOTE: This test requires two people. One person to test drive the vehicle while a technician observes the NOTE: The Boost Pressure reading should directionally follow (trail) the Boost Pressure Desired/Setpoint Does the Boost Pressure reading follow the Boost Pressure Desired/Setpoint reading? Yes >> Go To 7 No >> Refer to the symptom CHECKING THE BOOST PRESSURE. PM ENGINE ELECTRICAL DIAGNOSTICS - DIESEL 9 - 1419 |