Under the Hood

Mazda3 / Reviews / Mazda3 2007 review / 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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    Interior Comfort
    Use of various features for drive comfort, including air-conditioning and audio system. ...

    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. 2.3-liter turbocharger engine Your ...

    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 ...