http://www.focushacks.com/images/pcv.jpg
Here's a picture to locate it..
So, when looking at the engine from above, on the right of the exhaust.
Now, how to remove this, is another question.
In a 2001 Ford Focus : The 2.0 liter SPI engine and the 2.0 liter Zetec engine use a timing BELT
http://www.focushacks.com/index.php?modid=70 you have also a picture with the valve. So long!
On a 2003 Ford Focus : The 2.0 liter SPI engine ( SOHC ) and the 2.0 liter Zetec-E engine ( DOHC ) use a timing BELT The 2.3 liter PZEV engine has a timing CHAIN
Yes , look at the 8th " character " of the VIN : " P " is the 2.0 liter SPI engine and " 3 " is the 2.0 liter Zetec engine
According to the 2002 Ford Focus owners manual : With engine oil filter change : The 2.0 liter SPI engine ( SOHC ) takes ( 4.0 quarts ) The 2.0 liter Zetec engine ( DOHC ) takes ( 4.5 quarts )
All capacities assume a filter change: 2 liter SPI engine: 4 quarts - - - Zetec engine: 4.5 quarts - - - 2.3 liter engine: 4.5 quarts.
According to the 2002 Ford Focus owners manual : With engine oil filter change : The 2.0 liter Zetec engine takes ( 4.25 liters / 4.5 quarts ) The 2.0 liter SPI engine takes ( 3.78 liters / 4.0 quarts )
According to the 2002 Ford Focus Owner Guide : 2.0 liter SPI engine takes ( BCI group size 40R ) 2.0 liter Zetec - E engine takes ( BCI group size 96R )
According to my Consumer Guide book : For the 2002 Ford Focus : 2.0 liter , Single Over Head Cam engine ( 110 horsepower , SPI engine ) 2.0 liter , Dual Over Head Cam engine ( 130 horsepower , Zetec engine )
According to the 2001 Ford Focus Owner Guide : With engine oil filter change : The 2.0 liter SPI engine takes ( 4.0 U.S. quarts of 5W-20 ) The 2.0 liter Zetec-E engine takes ( 4.5 quarts )
if it's a 1.6 8v duratec or 1.8/2.0 liter 16v zetec engine, it will.
According to the 2000 Ford Focus Owner Guide : With engine oil filter change : The 2.0 liter SPI engine takes ( 4.0 U.S. quarts of 5W-30 ) The 2.0 liter Zetec - E engine takes ( 4.5 quarts of 5W-30 )