the exhaust just like every other car
i had my ford focus 2004 1.6 complete exhaust system replaced at the local garage for £334
Under the carburetor.
yes even 2006 model can use with 2010
No. The only substance that should go into an exhaust pipe are the combustion gases from the burning of fuel in the cylinders.
A hole or a crack in the exhaust or muffler.
No. It's illegal.
what kind of gasoline are you running? and what color is the smoke?
po401 mean Exhaust Gas Recirculation Flow Insufficient Detected.
Under the vehicle connected to the exhaust pipe just behind the engine.
All O2 sensors are screwed into the exhaust system. Follow the exhaust pipes from the engine rearward and you will find them all.
Trouble code P0401 means: Exhaust Gas Recirculation Malfunction
Probably a heat shield (between exhaust system and the underside of the car.)