Chevrolet Spark manuals

Mazda CX-5 Service & Repair Manual: Compression Inspection

Mazda CX-5 Service & Repair Manual / Engine / General / Compression Inspection

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”..

4. Remove the following parts.

a. Plug hole plate..

b. Ignition coil/ion sensors..

c. Spark plugs..

d. Fuel pump relay

e. Fuel injector relay

5. Measure the compression pressure using the following procedure.

a. Press a compression gauge into the spark plug hole.


b. Fully depress the accelerator pedal.

c. Crank the engine and measure the compression pressure.

NOTE:

d. Perform Steps (1) to (3) for all cylinders.

e. If it is less than the minimum specification, or there is a cylinder with a maximum value that exceeds the other cylinders, add a small quantity of engine oil through the spark plug hole and perform Steps (1) to (3).

f. If the measured value is high, it is possible that there is an error in the electric variable valve timing system.

6. Remove the compression gauge.

7. Install the following parts.

a. Fuel injector relay

b. Fuel pump relay

c. Spark plugs..

d. Ignition coil/ion sensors..

e. Plug hole plate..

General
...

Compression Inspection
WARNING: Hot engines and oil can cause severe burns. Be careful not to burn yourself during removal/installation of each component. Fuel vapor is hazardous. It can very easily ignit ...

Other materials:

Tire Pressure Monitoring System Set Switch
Purpose The tire pressure monitoring system set switch is used to initialize the tire pressure monitoring system. Construction, Operation The tire pressure monitoring system set switch is installed to the instrument panel. The tire pressure monitoring sy ...

Brakes
Abbreviations AAS Active Adaptive Shift ABS Antilock Brake System ABDC After Bottom Dead Center ACC Accessories AFS Adaptive Front Lighting System ...

Service Publications
Service Publications Factory-authorized Mazda service publications are available for owners who wish to do some of their own maintenance and repair. When requesting any of our publications through an Authorized Mazda Dealer, refer to the chart below. If they do not have what you need in stock ...

© 2016-2025 Copyright www.mcx5.org