CAUTION:
If a spark plug that is not as specified is installed, engine performance will be deteriorated. Install only the specified spark plug when replacing.
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the charge air cooler..
4. Remove the ignition coils..
5. Remove the spark plugs using a plug-wrench.
6. Install in the reverse order of removal.
10—14 N·m {102—142 kgf·cm, 89—123 in·lbf}
Spark Plug Removal/Installation [Mzr 2.0, Mzr 2.5]
Spark Plug Removal/Installation [Skyactiv G 2.0]Variable Tumble Shutter Valve Actuator Inspection [Mzr 2.0, Mzr 2.5]
Operation Inspection
1. Remove the air hose..
2. Disconnect the vacuum hose from the variable tumble shutter valve actuator.
3. Connect a vacuum pump to the variable tumble shutter valve actuator.
NOTE:
Covered with a hood, the rod of the variable tumble shutter valve actuator
...
Overheating
If the high engine coolant temperature
warning light illuminates, the vehicle loses
power, or you hear a loud knocking or
pinging noise, the engine is probably too
hot.
WARNING
Switch the ignition to off and make
sure the fan is not running before
attempting to work near the co ...
Reporting Safety Defects
(U.S.A.)
If you believe that your vehicle has a defect which could cause a crash or
could cause
injury or death, you should immediately inform the National Highway Traffic
Safety
Administration (NHTSA) in addition to notifying Mazda Motor Corporation (Your
Mazda
Importer/Distributor).
If NHTSA re ...