Ford Focus>> Power supply system>> Check of ventilation of a tank
Check of ventilation of a tank is made in the following sequence:
- warm up the engine to working temperature and leave to idle;
- remove the vacuum hose suitable to capacity with absorbent carbon, from the magnetic valve;
- on accession to the valve check, whether there is a vacuum. If is not present, check the magnetic valve;
- remove a "weight" wire from the negative plug of the storage battery and disconnect the contact socket from the magnetic valve;
- remove hoses from the magnetic valve and the valve;
- if the valve can be blown, it is damaged.