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DI01-11 CHANGED BY EFFECTIVE DATE AFFECTED VIN ENGINE ASSEMBLY DI ENG SM - 2004.9 Probable Cause • Refer to “Compression Pressure Test”. • Clogged fuel pipe. • Clogged or contaminated fuel filter. • Malfunction of the fuel pressure regulator. • Malfunction of the spark plug. • Electric leakage or poor connection of the high tension • Poor ignition timing. • Leak of the intake manifold gasket. • Leakage of the vacuum hose. • Refer to “Overheat” in this page. • Abnormal spark plug. • Poor ignition timing. • Electric leakage or poor connec- tion of the high tension cable. • Clogged or contaminated fuel filter and fuel pipe. • Leak of the intake manifold gasket. • Excessive carbon deposit due to abnormal combustion. • Lack of coolant. • Malfunction of the thermostat. • Malfunction of the cooling fan. • Poor water pump performance. • Clogged or leaky radiator. • Poor engine oil. • Blocking oil filter or strainer. • Lack of engine oil. • Poor oil pump performance. • Leakage of oil • Damaged cylinder head gasket. Correction • Refer to “Compression Pressure Test”. • Clean the pipe. • Replace the filter. • Replace the fuel pressure regulator. • Adjust or replace the spark plug. • Connect the cable correctly or replace it. • Adjust the ignition timing. • Clean or replace the gasket. • Connect the hose correctly or replace it. • Refer to “Overheat” in this page. • Replace the spark plug. • Adjust the ignition timing • Connect the cable correctly or replace it. • Clean or replace the fuel filter and the fuel pipe. • Replace the gasket. • Remove the carbon. • Refill coolant. • Replace the thermostat. • Check or replace the cooling fan. • Replace the pump. • Clean, repair or replace the radiator. • Replace engine oil with the specified one. • Clean or repair the oil filter or the strainer. • Refill oil. • Replace or repair the pump. • Repair. • Replace the gasket. Condition GENERAL DIAGNOSIS (Cont’d) Decline of Engine Surging Malfunction of Overheat Malfunction of Others Others Malfunction of Malfunction of Excessive Malfunction of Malfunction of Other Overheated |