Before to find out malfunctions of system of injection, the following conditions have to be satisfied:
– a mistake exception at start;
– availability of fuel in a tank;
– whether as it should be engine;
– whether the battery is charged;
– whether the starter on the required turns rotates.
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REASON
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ELIMINATION METHOD
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The engine is not got or started badly
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There is no preliminary incandescence of the engine
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To check system of preheat.
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There is no tension on the electromagnetic locking valve of supply of fuel
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To connect the device of control of tension to the valve. The light-emitting diode has to light up, otherwise find a rupture of a wire and eliminate.
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The electromagnetic locking valve is faulty
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To check durability of installation and contact to the case. To alternately switch on and off ignition, the valve at the same time has to click.
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The fuel supply system is faulty
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To check fuel supply.
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The fuel-supply lines bent, littered, leaky, cracked
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To clean fuel-supply lines.
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The fuel filter is littered
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To replace the fuel filter.
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Ventilation of a tank is blocked. The fuel filter in a tank is littered
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To clean.
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Nozzles are faulty
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To check nozzles, in turn to release cap nuts, checking operation of cylinders.
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The moment of the beginning of giving is not adjusted
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Began to check the moment giving, to adjust.
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Faulty TNVD
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To install the new pump.
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Failures of operation of the engine on single turns, at start
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Fuel hoses on the fuel pump and on the fuel filter are weakened
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To replace fuel hoses, to fix by collars, to tighten hollow bolts.
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The fuel supply system is faulty
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To check fuel supply.
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The fuel-supply lines bent, littered, leaky, cracked
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To clean fuel-supply lines.
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The fuel filter is littered
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To replace the fuel filter.
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Ventilation of a tank is blocked. The fuel filter in a tank is littered
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To clean.
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Nozzles are faulty
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To check nozzles, in turn to release cap nuts, checking operation of cylinders.
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The moment of the beginning of giving is not adjusted
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Began to check the moment giving, to adjust.
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Faulty TNVD
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To install the new pump.
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Fuel consumption is too high
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The air filter is polluted
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To replace a filter element.
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The fuel system is untight
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To visually check all fuel-supply lines (giving, returnable, injection), the fuel filter and TNVD.
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The return pipeline is littered
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To pump over air the return pipeline from the delivery pump to the fuel tank. To replace a throttle in a hollow bolt of the return pipeline.
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The moment of the beginning of giving of TNVD is not adjusted
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Began to adjust the moment giving.
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The control lamp of system of preheat does not burn
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The glow lamp on a guard of devices is faulty
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To replace a lamp.
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