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13A-1 GROUP 13A MULTIPORT FUEL INJECTION (MFI) CONTENTS GENERAL INFORMATION . . . . . . . . GENERAL SPECIFICATIONS . . . . . . SERVICE SPECIFICATIONS. . . . . . . SEALANT AND ADHESIVE. . . . . . . . SPECIAL TOOL . . . . . . . . . . . . . . . . . MULTIPORT FUEL INJECTION (MFI) TROUBLESHOOTING STRATEGY . . . . . . DIAGNOSTIC FUNCTION . . . . . . . . . . . . . FAIL-SAFE FUNCTION REFERENCE DIAGNOSTIC TROUBLE CODE CHART . . SYMPTOM CHART. . . . . . . . . . . . . . . . . . . DIAGNOSTIC TROUBLE CODE SYMPTOM PROCEDURES . . . . . . . . . . . . DATA LIST REFERENCE TABLE . . . . . . . GENERAL SCAN TOOL (GST) MODE 01 ACTUATOR TEST REFERENCE TABLE. . CHECK AT THE ENGINE CONTROL INSPECTION PROCEDURE USING AN ON-VEHICLE SERVICE. . . . . . . . . . . COMPONENT LOCATION . . . . . . . . . . . . . THROTTLE BODY (THROTTLE VALVE FUEL PRESSURE TEST . . . . . . . . . . . . . . HOW TO REDUCE PRESSURIZED FUEL FUEL PUMP OPERATION CHECK . . . . . . MULTIPORT FUEL INJECTION (MFI) RELAY FUEL PUMP RELAY CONTINUITY INJECTOR RELAY CONTINUITY CHECK . THROTTLE ACTUATOR CONTROL MOTOR FUEL PUMP CIRCUIT RESISTOR INTAKE AIR TEMPERATURE SENSOR ENGINE COOLANT TEMPERATURE HEATED OXYGEN SENSOR CHECK . . . . INJECTOR CHECK . . . . . . . . . . . . . . . . . . . THROTTLE ACTUATOR CONTROL MOTOR ENGINE OIL CONTROL VALVE CHECK . . EVAPORATIVE EMISSION VENTILATION EVAPORATIVE EMISSION PURGE INJECTOR . . . . . . . . . . . . . . . . . . . . . REMOVAL AND INSTALLATION . . . . . . . . THROTTLE BODY ASSEMBLY . . . . . REMOVAL AND INSTALLATION . . . . . . . . ENGINE CONTROL RESISTOR. . . . . REMOVAL AND INSTALLATION . . . . . . . . ENGINE CONTROL MODULE (ECM) . . . . . . . . . . . . . . . . . . . . . . . . . REMOVAL AND INSTALLATION . . . . . . . . |