The engine immobiliser is a theft protection system that prevents someone from starting the engine with an incorrectly coded key.
Coded keysFord Focus Driveline System
The driveline system consists of the following:
Right halfshaft with inner and outer CV joint
Left halfshaft with inner and outer CV joint
Intermediate shaft connecting the transaxle to the right halfshaft
Intermediate shaft bearing that supports the inner right halfshaft CV joint
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