Mazda 3 manuals

Mazda 3 Service Manual: Compression Inspection [Skyactiv G 2.0]

Mazda 3 Service Manual / Engine / General / Compression Inspection [Skyactiv G 2.0]

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 the measured value is less than the minimum value, or there is a cylinder whose compression value varies from that of other cylinders by 140 kPa {1.43 kgf/cm2, 20.3 psi}

or more, add a small amount of engine oil through the spark plug hole. Then measure the compression pressure and perform the respective operations for the following cases.

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..

Compression Inspection [Mzr 2.3 Disi Turbo]
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 ...

Electric Variable Valve Timing Actuator Inspection [Skyactiv G 2.0]
WARNING: A hot engine can cause severe burns. Turn off the engine and wait until it is cool before servicing. CAUTION: Do not disassemble the electric variable valve timing ac ...

Other materials:

High Mount Brake Light Disassembly/Assembly
4SD 1. Disconnect the negative battery cable.. 2. Remove the trunk lid trim.. 3. Remove the high-mount brake light.. 4. Remove the high-mount brake light outer lens. 5. Remove the high-mount brake light inner lens. 6. Remove the screws (with advanced keyless entry and push button ...

Electric Power Steering Oil Pump Component Removal/Installation
CAUTION: Be careful not to drop the electric power steering oil pump component as the internal parts of the EHPAS CM could be damaged. Replace the electric power steering oil pump component if it is subjected to an impact. 1. Remove the front mudguard (RH).. 2. Remove the aerod ...

Shift Position Indication
The selector position is indicated when the ignition is switched ON. Gear position indication In manual shift mode, the “M” of the shift position indication illuminates and the numeral for the selected gear is displayed. Warning Light The warning light turns on when the system has a malfun ...

© 2016-2025 Copyright www.mazda3tech.com