Fuse 13, 21, 25, 27 or 28 defective
- Replace the faulty fuse
Defective injection system power relay
- Check the relay and replace it if necessary
The fuel pump does not supply fuel or the fuel supply is insufficient
- Is the fuel filled? Check the pump and measure the fuel supply from the pump
The fuel starter valve is leaking or defective
- Check the valve
Pressure reducing valve defective
- Check the pressure
Coolant temperature sensor defective
- Check the sensor
Throttle position sensor defective
- Check the sensor in the workshop
Control unit defect
- Check the control unit in the workshop
Defective wire between the Hall sensor and the control unit
- Check the wire
The engine is sucking in extraneous air
- Perform a visual inspection of the engine
A warmed-up engine does not start at all or starts poorly
Low pressure hose defective to fuel pressure reducing valve
- Check the hose
Defective injection system power relay
- Check the relay and replace it if necessary
The fuel pump does not supply fuel or the fuel supply is insufficient
- Is the fuel filled? Check the pump and measure the fuel supply from the pump
The fuel starter valve is leaking or defective
- Check the valve
Pressure reducing valve defective
- Check the pressure
Coolant temperature sensor defective
- Check the sensor
Throttle position sensor defective
- Check the sensor in the workshop
Control unit defect
- Check the control unit in the workshop
Defective wire between the Hall sensor and the control unit
- Check the wire
The engine is sucking in extraneous air
- Perform a visual inspection of the engine
Leaky injectors
- Check the injectors
The engine starts but stalls almost immediately
The idle speed control valve is not working
- Check the valve
Throttle position sensor defective
- Check the sensor in the workshop
Low pressure hose defective to fuel pressure reducing valve
- Check the hose
Lambda probe defect
- Check the operation of the lambda probe and replace it if necessary
Cold engine vibrates at idle
Coolant temperature sensor defective
- Check the sensor
The idle speed control valve is not working
- Check the valve
The automatic transmission control unit and the throttle position sensor do not agree with each other
- Perform the coordination
Warm engine vibrates at idle
The idle speed control valve is not working
- Check the valve
Idle speed drops when power steering is on
The idle speed control valve is not working
- Check the valve
The engine runs with misfires
The fuel filter is clogged
- Replace the fuel filter
The fuel pump does not supply fuel or the fuel supply is insufficient
- Is the fuel filled? Check the pump and measure the fuel supply from the pump
Leaky injectors
- Check the injectors
Lambda probe defect
- Check the operation of the lambda probe and replace it if necessary
Fluctuations in engine operation at 2000-3000 rpm
Throttle position sensor defective
- Check the sensor in the workshop
The engine runs jerkily
The fuel pump does not supply fuel or the fuel supply is insufficient
- Is the fuel filled? Check the pump and measure the fuel supply from the pump
Low effective engine power
The fuel pump does not supply fuel or the fuel supply is insufficient
- Is the fuel filled? Check the pump and measure the fuel supply from the pump
Throttle position sensor defective
- Check the sensor in the workshop
The engine is sucking in extraneous air
- Perform a visual inspection of the engine
The throttle valve does not move to the "Full Throttle" position
- Adjust the "throttle" cable
Backfire in the intake manifold
Fuel pressure regulator defective
- Measure the pressure
Fuel consumption too high
Coolant temperature sensor defective
- Check the sensor
Throttle position sensor defective
- Check the sensor in the workshop
[Information obtained from this resource: audimanual]