See also:

Catalyst that uses single nanotechnology
The MZR 2.0-litre petrol engine underfloor catalyst is the world's first vehicle catalyst to be constructed with single nanotechnology, which controls even finer materials structures than nanotech ...

Introduction
Be extremely careful and prevent injury to yourself and others or damage to your vehicle when using this manual for inspection and maintenance. If you're unsure about any procedure it describes, w ...

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-s ...