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EC-858 < COMPONENT DIAGNOSIS > [MR18DE] P0300, P0301, P0302, P0303, P0304 MISFIRE 7. CHECK SPARK PLUG Check the initial spark plug for fouling, etc. YES >> Replace spark plug(s) with standard type one(s). For spark plug type, refer to EM-145, "Removal and Installa- . NO >> Repair or clean spark plug. Then GO TO 8. 8. CHECK FUNCTION OF IGNITION COIL-III 1. Reconnect the initial spark plugs. 2. Crank engine for about 3 seconds, and recheck whether spark is generated between the spark plug and Is the inspection result normal? YES >> INSPECTION END NO >> Replace spark plug(s) with standard type one(s). For spark plug type, refer to . 9. CHECK COMPRESSION PRESSURE Check compression pressure. Refer to EM-151, "Checking Compression Pressure" Is the inspection result normal? YES >> GO TO 10. NO >> Check pistons, piston rings, valves, valve seats and cylinder head gaskets. 10. CHECK FUEL PRESSURE 1. Install all removed parts. 2. Check fuel pressure. Refer to Is the inspection result normal? YES >> GO TO 12. NO >> GO TO 11. 11. DETECT MALFUNCTIONING PART Check fuel hoses and fuel tubes for clogging. Is the inspection result normal? YES >> Replace “fuel filter and fuel pump assembly”. NO >> Repair or replace. 12. CHECK IGNITION TIMING For procedure, refer to EC-689, "BASIC INSPECTION : Special Repair Requirement" For specification, refer to Is the inspection result normal? YES >> GO TO 13. NO >> Follow the EC-693, "IGNITION TIMING : Special Repair Requirement" 13. CHECK HEATED OXYGEN SENSOR 1 HEATER EC-829, "Component Inspection" Is the inspection result normal? YES >> GO TO 14. NO >> Replace heated oxygen sensor 1. SEF156I Spark should be generated. |