3.2.19. Diagnostics of malfunctions (DD)
If the engine is not started, then it is necessary to localize malfunction. For rotation of the engine a number of conditions has to be executed: lack of mistakes in driving; the fuelled fuel tank; normally working starter.|
REASON
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WAY OF ELIMINATION
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Bad start of the engine or it is not started at all
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Errors of management at start
| Start of the cold engine | Include ignition, the control lamp will not go out yet. At once after the control lamp will go out, start the engine. |
| Start of the engine which is warmed up up to the working temperature | The preliminary warming up is not required, the engine is started at once. | |
| The device of a preliminary warming up does not work | The control lamp of a preliminary warming up does not burn | Check a control lamp, glow plugs and the relay of a preliminary warming up. |
| The lamp of a preliminary incandescence burns | Switch off ignition. Disconnect 2 wires of candles of an incandescence for cylinders 2-4, include ignition; if the control lamp burns, then check the relay of a preliminary warming up and replace in case of need. | |
| The fuel system is faulty | Fuel does not arrive | Fuel-supply lines (hoses of absorption, recirculation, injection) are bent, littered, untight. The fuel filter is littered. |
| The moment of the beginning of access of fuel is displaced | Check the moment of the beginning of intake of fuel, adjust it. | |
| The nozzle is faulty | Check nozzles | |
| The fuel pump is faulty | All cylinders work at the same time | Replace the fuel pump. |
| The starter rotates too slowly | Charge the battery. Check an electric chain of a starter. | |
| Too low compression | Repair the engine. | |
| Sealing laying of a head of the block of cylinders is faulty | Replace laying. | |