See also:

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, odorless, and poisonou ...

Vehicle Overview
The Mazda6 is available in sedan and hatchback body styles for 2008, but the wagon has been discontinued. Buyers get a choice of two engines: a 2.3-liter four-cylinder or a 3.0-liter V-6. One of t ...

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 ...