Fuse 13, 21, 25, 27 or 28 defective.
- Replace defective fuse.
Defective wire of additional resistance.
- Check the wire and, if necessary, replace it.
The fuel pump does not supply fuel, or the fuel supply is insufficient.
- Has fuel been filled? Check the pump and measure the pump's fuel delivery.
Defective fuel pressure regulator.
- Measure the pressure.
Defective coolant temperature sensor.
- Check sensor.
Defective throttle position sensor.
- Check the sensor in the workshop
Control unit defect
- Check the control unit in the workshop.
Wire defect between Hall sensor and control unit.
- Check wire.
The engine sucks in foreign air.
- Perform a visual inspection of the engine.
A warm engine does not start at all or starts poorly
Defective wire of additional resistance.
- Check the wire and, if necessary, replace it.
The fuel pump does not supply fuel, or the fuel supply is insufficient.
- Has fuel been filled? Check the pump and measure the pump's fuel delivery.
Defective fuel pressure regulator.
- Measure the pressure.
Defective coolant temperature sensor.
- Check sensor.
Defective throttle position sensor.
- Check the sensor in the workshop.
Defective control unit.
- Check the control unit in the workshop.
Wire defect between Hall sensor and control unit.
- Check wire.
The engine sucks in foreign air.
- Perform a visual inspection of the engine.
Leaky nozzle.
- Check nozzle.
Engine starts but stalls almost immediately
The idle speed controller does not work.
- Check regulator.
Defective throttle position sensor.
- Check the sensor in the workshop.
Defective lambda probe.
- Check the function of the lambda probe and replace it if necessary.
Cold engine vibrates at idle
Defective coolant temperature sensor.
- Check sensor.
The idle speed controller does not work.
- Check regulator.
Warm engine vibrates at idle
The idle speed controller does not work.
- Check regulator.
Idling speed drops when powerful current consumers are connected or when the power steering is running
The idle speed controller does not work.
- Check regulator.
The engine runs with passes.
Fuel filter clogged.
- Replace fuel filter.
The fuel pump does not supply fuel or the fuel supply is insufficient.
- Has fuel been filled? Check the pump and measure the pump's fuel delivery.
Leaky nozzle.
- Check nozzle.
Lambda probe defect
- Check the function of the lambda probe and replace it if necessary.
Fluctuations in engine operation at 2000-3000 rpm
Defective throttle position sensor.
- Check the sensor in the workshop.
The engine runs jerky
The fuel pump does not supply fuel or the fuel supply is insufficient.
- Has fuel been filled? Check the pump and measure the pump's fuel delivery.
Low effective engine power
The fuel pump does not supply fuel or the fuel supply is insufficient.
- Has fuel been filled? Check the pump and measure the pump's fuel delivery.
Defective throttle position sensor.
- Check the sensor in the workshop.
The engine sucks in foreign air.
- Perform a visual inspection of the engine.
Defective lambda probe.
- Check the function of the lambda probe and replace it if necessary
Throttle does not move to position «Full throttle».
- Adjust cable «gas».
Backfire
Defective fuel pressure regulator.
- Measure the pressure.
Defective lambda probe.
- Check the function of the lambda probe and replace it if necessary.
Too high fuel consumption
Defective throttle position sensor.
- Check the sensor in the workshop.
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