Mazda 3 Service Manual: Emissions

Thermostat Removal/Installation [Mzr 2.0, Mzr 2.5]

WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot. Scalding engine coolant and steam may ...

Canister Vent (Cv) Solenoid Valve Inspection [Mzr 2.0, Mzr 2.5]

Except for Mexico Airflow inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the CV solenoid valve.. 4. Inspect airflow between the ports under the f ...

Other materials:

Drive Belt Removal/Installation [Mzr 2.3 Disi Turbo]
1. Remove the aerodynamic under cover No.2 and splash shield as a single unit.. 2. Rotate the drive belt auto tensioner in the direction shown in the figure and remove the drive belt. 3. Install the drive belt. 4. Verify that the drive belt auto tensioner indicator mark does not exceed ...

Knock Sensor (Ks) Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the KS connector. 4. Measure the resistance between KS terminals A and B. If not as specified, replace the KS.. Specification Approx. 4.87 megohms [normal tem ...

Wrench Indicator Light
When the ignition is switched ON, the wrench indicator light is illuminated and then turns off after a few seconds. The wrench indicator light is illuminated when the preset maintenance period arrives. Verify the content and perform maintenance. Refer to Maintenance Monitor on . Low ...