Under the Hood

The 2.0-liter four-cylinder in the Mazda3 i has variable valve timing and develops 148 horsepower (144 hp in PZEV form). The Mazda3 s uses a 2.3-liter four-cylinder that pumps out 156 hp. A five-speed manual gearbox is standard, and a four-speed automatic transmission with a manual-shift provision is optional for the Mazda3 i. The 2.3-liter engine can mate with a five-speed automatic.

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    Owner Maintenance Precautions
    Improper or incomplete service may result in problems. This section gives instructions only for items that are easy to perform. As explained in the Introduction, several procedures can be done onl ...

    Audio Control Switch Operation (Steering Wheel)
    * Some models. When the audio unit is turned on, operation of the audio unit from the steering wheel is possible. For navigation system equipped vehicles, refer to the separate manual “NAVIGATIO ...

    Specifications
    Engine Electrical System *1 ex factory NOTE: When cleaning the iridium plugs, do not use a wire brush. The fine particulate coating on the iridium alloy and platinum tips could be damaged. ...