See also:

Unleaded gasoline
The neck of the fuel filler pipe is designed to accept only an unleaded gasoline filler nozzle. Under no circumstances should leaded gasoline be used because it will damage the emission control sy ...

If the light illuminates constantly
If the light illuminates constantly while driving or does not turn off after the engine starts, an emission control system malfunction has been detected. You should have your vehicle checked by an ...

The Ultimate Performance Subaru
The 2011 WRX STI continues as the ultimate-performance Subaru with its high-boost 305-hp turbocharged/intercooled 4-cyl. Boxer engine and 6-speed manual transmission. The STI also features Multi-M ...