Ford Focus Owners Manual: General information
General points on starting
If the battery has been disconnected the vehicle may exhibit some unusual driving characteristics for approx. 8 kilometres (5 miles) after reconnecting the battery.
This is because the engine management system must realign itself with the engine.
Any unusual driving characteristics during this period may be disregarded.
Starting the engine by towing or pushing
WARNING:
To prevent damage you must not push or tow start your vehicle. Use booster cables and a booster battery. See Using booster cables.
Ignition switch
WARNING:
Never return the key to position 0
or I when the vehicle is in motion.
0 The ignition is off.
I The ignition and all main electrical circuits
are disabled.
Note: Do not leave the ...
More about Ford Focus:
Ford Focus Intake Air Distribution and Filtering
The air intake system consists of the following:
Air Cleaner (ACL)
ACL element
Mass Air Flow (MAF) sensor
ACL outlet pipe
The air intake system:
cleans intake air with an ACL element.
measures airflow with a MAF sensor.
The ACL contains an ACL element made of treated, p ...
