2.7.7.24. Causes of defect

1. Insufficient pressure of fuel and leakage of fuel through nozzles can be the possible reason of the complicated start-up of the hot engine.

2. If nozzles do not work at an engine prokruchivaniye with a starter, whether check there are no following malfunctions:

– malfunction of a power-supply circuit эбу or chains of connection with "weight";

– malfunction of the main relay of a control system of the engine;

– malfunction of the sensor of provision of a cranked shaft or sensor of provision of a camshaft.

3. If turns of idling of the engine do not change at serial shutdown of nozzles, check the following on the corresponding cylinder:

– nozzles and their wires;

– spark plugs and wires of a high voltage;

– a compression in the cylinder.

4. If the system of injection is serviceable, but duration of injection does not correspond to norm, check existence of the following malfunctions:

– whether completely burns down a mix (whether spark plugs, the ignition coil, whether a normal compression in engine cylinders etc. are serviceable).

5. The control lamp of malfunction burns or on the HI-SCAN device the malfunction code in the following cases is deduced:

– the nozzle is faulty.

Check

Working capacity check

By means of the HI-SCAN device:

– serially include nozzles;

– check duration of injection of fuel nozzles.