- exception error on startup;
- presence of fuel in the tank;
- is the engine ok;
- is the battery charged;
- does the starter rotate at the required speed?.
Warning! If the fuel lines are to be removed, they must be cleaned beforehand using the cold cleaning method.
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CAUSE
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METHOD OF ELIMINATION
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The engine does not start or starts poorly
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No engine preheating
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Check the preheating system.
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No voltage to the solenoid shut-off valve
fuel
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Connect the voltage monitor to the valve. LED
should light up, otherwise find the break in the wire and fix it.
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The solenoid shut-off valve is faulty
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Check the strength of the installation and the contact with the body. Alternately
turn the ignition on and off, the valve should click.
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The fuel supply system is faulty
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Check the fuel supply.
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Fuel lines are bent, clogged, leaky, cracked
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Clean the fuel lines.
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The fuel filter is clogged
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Replace the fuel filter.
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The tank ventilation is blocked. The fuel filter is clogged
tank
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Clean.
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The injectors are faulty
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Check the injectors, loosen the union nuts one by one,
checking the operation of the cylinders.
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The feed start time is not adjusted
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Check the start time of the feed and adjust.
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Faulty fuel injection pump
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Install a new pump.
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Engine malfunctions at idle speed, when starting
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The fuel hoses on the fuel pump and fuel tank are loose
filter
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Replace fuel hoses, secure with clamps, tighten
hollow bolts.
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The fuel supply system is faulty
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Check the fuel supply.
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Fuel lines are bent, clogged, leaky, cracked
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Clean the fuel lines.
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The fuel filter is clogged
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Replace the fuel filter.
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The tank ventilation is blocked. The fuel filter is clogged
tank
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Clean.
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The injectors are faulty
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Check the injectors, loosen the union nuts one by one,
checking the operation of the cylinders.
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The feed start time is not adjusted
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Check the start time of the feed and adjust.
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Faulty fuel injection pump
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Install a new pump.
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Fuel consumption is too high
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The air filter is dirty
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Replace the filter element.
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The fuel system is leaking
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Visually inspect all fuel lines (supply, return,
injection), fuel filter and high-pressure fuel pump.
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The return pipe is clogged
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Bleed air through the return line from the discharge
pump to the fuel tank. Replace the throttle in the hollow bolt of the check valve
pipeline.
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The injection pump start time is not adjusted
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Adjust the start time of the feed.
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The pre-heating system indicator lamp does not light
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The incandescent lamp on the instrument panel is faulty
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Replace the lamp.
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[The source is on the online website OpelBook.ru]
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