See also:

Engine Compartment Overview
2.5-liter engine 3.7-liter engine ...

Scheduled Maintenance (USA, Canada, and Puerto Rico)
Follow Schedule 1 if the vehicle is operated mainly where none of the following conditions apply. - Repeated short-distance driving - Driving in dusty conditions - Driving with extended use of b ...

Under the Hood
The Mazda3 i comes standard with a 148-horsepower, 2.0-liter four-cylinder engine that can team with a five-speed manual or five-speed automatic transmission. Mazda3 s models use a 167-hp, 2.5-lit ...