{"model":"mk2","model_name":"MK2 Supra","vehicle":"Toyota Supra A60 (1982–1986, 5M-GE)","document":"Repair Manual","section":"FI","section_name":"EFI System","page":20,"pages_in_section":80,"title":"Symptom — Engine Hesitates AND/OR Poor Acceleration","section_header":"EFI System — Troubleshooting","ocr_text":"SYMPTOM — ENGINE HESITATES AND/OR POOR ACCELERATION\n\nCHECK CLUTCH AND BRAKE\nBAD → 1. Clutch — slips\n      2. Brakes — drag\n↓ OK\n\nCHECK FOR VACUUM LEAKS IN AIR INTAKE LINE\nBAD → 1. Oil filler cap\n      2. Oil level gauge\n      3. Hose connections\n      4. PCV hoses\n      5. EGR system — EGR valve stays open\n↓ OK\n\nCHECK AIR FILTER ELEMENT\nBAD → Clean or replace\n↓ OK\n\nCHECK DIAGNOSIS SYSTEM\nCheck for output of diagnostic code.\n(See page FI-22)\nMalfunction code(s) → Diagnostic code(s) (See page FI-2B)\n↓ Normal code\n\nCHECK IGNITION SPARK\n1. Unplug connectors of injector resistor and start injection time switch.\n2. Check by holding spark plug wire 8 — 10 mm (0.31 — 0.39 in.) away from engine block while engine cranking. A strong spark should be noted.\nBAD → 1. Plug wires\n      2. High-tension cords\n      3. Distributor\n      4. Ignition coil, igniter\n↓ OK\n\nCHECK IGNITION TIMING\n1. Short both terminals of the check connector.\n2. Check ignition timing.\n   STD: 10° BTDC\n   (w/short terminals of the check connector)\nNO → Ignition system (See page IG-2)\n↓ OK CONTINUED ON PAGE 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transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}