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:

Starting the Engine
WARNING Radio waves from the key may aff ect medical devices such as pacemakers: Before using the key near people who use medical devices, ask the medical device manufacturer or your physician if radio waves from the key will aff ect the device. NOTE The key mus ...

Security Setting (Type A)
If a passcode is set, the system cannot be activated unless the passcode is input. NOTE Do this function only when parked. It is too distracting to attempt while driving and you may make too many errors to be effective. Passcode setting Press the pick-up button or talk button with a sho ...

Engine Coolant Temperature (ECT) Sensor Inspection [Mzr 2.0, Mzr 2.5]
ECT Sensor No.1 Resistance inspection WARNING: When the engine is hot, it can badly burn. Turn off the engine and wait until it is cool before removing the ECT sensor. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Drain the engine coolant.. 4. R ...