TSRM/MK3 Supra/Repair Manual
Repair ManualWiring Diagrams
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EM/Engine Mechanical21 / 98
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ENGINE MECHANICAL — Compression Check — MK3 Supra Engine Mechanical, page 21
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ENGINE MECHANICAL — Compression Check EM-21 (7M-GTE) 1. WARM UP ENGINE 2. DISCONNECT CAM POSITION SENSOR CONNECTOR 3. DISCONNECT SOLENOID RESISTOR CONNECTOR 4. REMOVE NO.1 AIR CLEANER HOSE (See step 1 on page EM-12) 5. REMOVE PCV PIPE 6. REMOVE IGNITION COIL (See steps 6, 7 on page EM-13) 7. REMOVE SPARK PLUGS 8. CHECK CYLINDER COMPRESSION PRESSURE (See step 7 on page EM-20) Compression pressure: 10.0 kg/cm² (142 psi, 981 kPa) or more Minimum pressure: 9.0 kg/cm² (128 psi, 883 kPa) Difference between each cylinder: 1.0 kg/cm² (14 psi, 98 kPa) or less