Change your fuel and air filters.
my idling on my 2001 ford focus is not idling correct, tried to adjust idling but there is no screw or way to adjust why?
How do you turn of the engine on a new ford focus
Check the throttle position sensor
The 2013 Ford Focus has an inline 4 engine.
The 2008 Ford Focus has an inline 4 engine.
The 2011 Ford Focus has an inline 4 engine.
The 2010 Ford Focus has an inline 4 engine.
The 2014 Ford Focus has an inline 4 engine.
The 2004 Ford Focus has an inline 4 engine.
The 2005 Ford Focus has an inline 4 engine.
The 2002 Ford Focus has an inline 4 engine.
The 2001 Ford Focus has an inline 4 engine.