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System description Precautions Inspection precautions Troubleshooting Diagnosis system Troubleshooting with Volt/Ohmmeter (7M-GE) Troubleshooting with Volt/Ohmmeter (7M-GTE) Fuel system Fuel Pump Cold start injector Fuel pressure regulator Injectors Fuel tank and line Air induction system Air flow meter (7M-GE) Air flow meter (7M-GTE) Throttle body Idle speed control valve Electronic control system Location of electronic control parts EFI main relay Circuit opening relay Solenoid resistor (7M-GTE) Cold start injector time switch Fuel pump relay and resistor Fuel pressure control system (7M-GTE) EGR gas temp. sensor (CA vehicles) Oxygen sensor Sub-Oxygen Sensor Engine electronic controlled unit Fuel Cut RPM Water temperature sensor