It is by the accumulator dryer or shiny thing by the evaporator housing. Be sure to use the correct freon. GoodluckJoe
All Ford vehicles have a central locking system that were manufactured after 1993. The Ford focus has always had the central locking system.
Where is the picture of the los pressure port on a ford 2001 located
About 4-6 Lbs.
34psi
The Ford Focus ZX2 was produced from the years 1998 to 2003. The low end service port in a 2003 Ford Focus ZX2 is located behind the front of the right front tire.
Means the air pressure in your tires is low
Where is ac low pressure service port on a 1990 ford mustang
33 psi
If the 2003 Focus is running good then suddenly shakes and looses power, check the fuel system for proper pressure. If the pressure is correct, check the ignition system for fire, the ignition components could be starting to fail.
I am pretty sure the low pressure port would have a blue or black cap on it's port.Regardless, it is normally the larger of the two
Inflate your tires to the proper pressure and then drive the vehicle
In a 2003 Ford Focus : The engine coolant reservoir is on the passenger side of the engine compartment ( it has a thread on pressure cap )