{"model":"mk2","model_name":"MK2 Supra","vehicle":"Toyota Supra A60 (1982–1986, 5M-GE)","document":"Repair Manual","section":"FI","section_name":"EFI System","page":14,"pages_in_section":80,"title":"EFI System","section_header":"EFI System — Troubleshooting","ocr_text":"OK CONTINUED FROM PAGE FI-13\n\nCHECK FUEL PRESSURE\n(See page FI-45)\n\nBAD\n1. Fuel pump (See page FI-44)\n2. Fuel filter\n3. Fuel pressure regulator\n(See page FI-62)\n\nOK\n\nCHECK INJECTORS\n(See page FI-53)\n\nBAD\nInjection condition\n\nOK\n\nCHECK EFI ELECTRONIC CIRCUIT\nUSING VOLT/OHMMETER\n\nBAD\n1. Wiring connection\n2. Power to ECU\n(1) Fusible link\n(2) No. 1 and No. 2 main relay\n3. Air flow meter\n4. Water temp. sensor\n5. Injection signal circuit\n(1) Injector wiring\n(2) Resistor\n(3) ECU\n\nSYMPTOM — ENGINE SOMETIMES STALLS\n\nCHECK DIAGNOSIS SYSTEM\nCheck for output of diagnostic code.\n(See page FI-22)\n\nMalfunction\ncode(s)\nDiagnostic code(s)\n(See page FI-25)\n\nNormal code\n\nCHECK AIR FLOW METER\n(See page FI-58)\n\nBAD\nAir flow meter\n\nOK\n\nCHECK WIRING CONNECTORS AND\nRELAYS\nCheck that there is a signal change when\nthe connector or relay is slightly tapped\nor wiggled.\n\nBAD\n1. Connector\n2. No.1 and No. 2 main relay\n(See page FI-68)\n3. Circuit opening relay (See page 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transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}