Ford Focus Owners Manual: Principle of operation
Ford Focus Owners Manual / Engine immobiliser / Principle of operation
The engine immobiliser is a theft protection system that prevents someone from starting the engine with an incorrectly coded key.
Coded keys
Note: Do not shield your keys with metal
objects. This may prevent the receiver
from recognising your key as a valid one.
Note: Have all of your remaining keys
erased and recoded if you lose a key ...
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 ...
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