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2008 - MX-5 - Engine

COMPRESSION INSPECTION [LF]

WARNING:

1. Verify that the battery is fully charged.
2. Warm up the engine to the normal operating temperature.
3. Perform “Fuel Line Safety Procedures”. Leave the fuel pump relay removed. (See BEFORE SERVICE PRECAUTION [LF].)

WARNING:

4. Remove the fuel pump relay.
5. Remove the front suspension tower bar (joint). (See FRONT SUSPENSION TOWER BAR REMOVAL/INSTALLATION.)
6. Remove the ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION [LF].)
7. Remove the spark plugs. (See SPARK PLUG REMOVAL/INSTALLATION [LF].)
8. Connect a compression gauge into the spark plug hole.
9. Fully depress the accelerator pedal and crank the engine.
10. Note the maximum gauge reading.
11. Inspect each cylinder as above.
12. Disconnect the compression gauge.
13. Install the spark plugs. (See SPARK PLUG REMOVAL/INSTALLATION [LF].)
14. Install the ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION [LF].)
15. Install the front suspension tower bar (joint). (See FRONT SUSPENSION TOWER BAR REMOVAL/INSTALLATION.)
16. Install the fuel pump relay.
17. Complete the “AFTER SERVICE PRECAUTION”. (See AFTER SERVICE PRECAUTION [LF].)


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