Ford Focus>> Management of the power unit and the fulfilled gases>> Independent work with system of injection can be limited

As it was already told in introduction to this section, you should entrust the majority of works on injection system to the professional. It has necessary diagnostic devices and the corresponding knowledge. At errors of the control unit, for example, it is necessary, unmistakably to define defect, to carry out various tests in strictly certain sequence, only this way it is possible to avoid damages of electronic elements and as a result of expensive repair. Usual skills, a house workshop and amateur tools, by experience, do not suffice to repair system of injection of Focus. In practice even external malfunctions in work of system appear rather seldom.