Mazda 3 manuals

Mazda 3 Owners Manual: Emission Control System

This vehicle is equipped with an emission control system (the catalytic converter is part of this system) that enables the vehicle to comply with existing exhaust emissions requirements.

WARNING Never park over or near anything fl ammable: Parking over or near anything fl ammable, such as dry grass, is dangerous. Even with the engine turned off , the exhaust system remains very hot after normal use and could ignite anything fl ammable. A resulting fi re could cause serious injury or death.

CAUTION Ignoring the following precautions could cause lead to accumulate on the catalyst inside the converter or cause the converter to get very hot. Either condition will damage the converter and cause poor performance.
  • Do not drive your Mazda with any sign of engine malfunction.
  • Do not coast with the ignition switched off .
  • Do not descend steep grades in gear with the ignition switched off .
  • Do not operate the engine at high idle for more than 2 minutes.
  • Do not tamper with the emission control system. All inspections and adjustments must be made by a qualifi ed technician.
  • Do not push-start or pull-start your vehicle.


Fuel Requirements
Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED FUEL, which will reduce exhaust emissions and keep spark plug fouling to a minimum. This vehicle will perform best wit ...

Engine Exhaust (Carbon monoxide)
WARNING Do not drive your vehicle if you smell exhaust gas inside the vehicle: Engine exhaust gas is dangerous. This gas contains carbon monoxide (CO), which is colorless, odor ...

Other materials:

Air Intake Actuator Inspection [Manual Air Conditioner]
1. Connect battery positive voltage to air intake actuator terminal B (or C), connect terminal C (or B) to ground, and then verify that the air intake actuator operates as shown in the table. If the operation condition is not normal, replace the air intake actuator. ...

Drive Belt Auto Tensioner Inspection [Mzr 2.0, Mzr 2.5]
MZR 2.0 1. Remove the generator drive belt with the A/C drive belt still installed and set it out of the way.. 2. Verify that the drive belt auto tensioner moves smoothly in the operational direction. If it does not move smoothly, replace the drive belt auto tensioner.. 3. T ...

Side Panel Removal/Installation
1. Insert a tape-wrapped fastener remover into the position indicated by the arrow in the figure. 2. Pull the side panel in the direction of the arrow shown in the figure, then remove the clips and hook. 3. Pull the side panel in the direction of the arrow shown in the figure, while de ...

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