|
|
COMPRESSION PRESSURE EM-23 < ON-VEHICLE MAINTENANCE > C D E F G H I J K L M A EM N P O COMPRESSION PRESSURE Inspection INFOID:0000000003139093 1. Warm up engine thoroughly. Then, stop it. 2. Release fuel pressure. Refer to . 3. Disconnect fuel pump fuse (1) from IPDM E/R (2) to avoid fuel 4. Remove engine cover with power tool. Refer to . 5. Remove ignition coil and spark plug from each cylinder. Refer to 6. Connect engine tachometer (not required in use of CONSULT-III). 7. Install compression gauge with an adapter (commercial service • Use the adapter whose picking up end inserted to spark plug hole is smaller than 20 mm (0.79 in) in diameter. Otherwise, it 8. With accelerator pedal fully depressed, turn ignition switch to “START” for cranking. When the gauge CAUTION: Always use a fully charged battery to obtain the specified engine speed. engine speed again with normal battery gravity. • If compression pressure is below minimum value, check valve clearances and parts associated with combustion chamber (valve, valve seat, piston, piston ring, cylinder bore, cylinder head, cylinder head JMBIA0021ZZ PBIC0900E a : 20 mm (0.79 in) JPBIA0171ZZ Compression pressure : Refer to |