Fuse 13, 21, 27, 28 or 32 defective
- Replace the fuse
Fuel pump relay defective
- Check the relay and replace 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
Fuel pressure regulator defective.
- Measure the fuel pressure
Idle speed stabilization valve defect
- Check the valve
Control unit defect
- Check the control unit in the workshop
No signal from engine speed sensor
- Check the sensor wire
The engine is sucking in extraneous air
- Perform a visual inspection of the engine and all hose attachment points
A warmed-up engine does not start at all or starts poorly
Low pressure hose to fuel pressure regulator defective
- Check the hose
Fuse 13, 21, 27, 28 or 32 defective
- Replace the fuse
Fuel pump relay defective
- Check the relay and replace 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
Fuel pressure regulator defective.
- Measure the fuel pressure
No signal from engine speed sensor
- Check the sensor wire
Leaky injectors
- Check the injectors
Coolant temperature sensor defective
- Check the sensor
The engine starts but soon stalls
Fuse 13, 21, 27, 28 or 32 defective
- Replace the fuse
Idle speed stabilization valve defect
- Check the valve
Low pressure hose to fuel pressure regulator defective
- Check the hose
The CO value does not correspond to the norm
- Check the injection
Defective mass air flow (MPI) sensor or intake air temperature sensor or intake manifold pressure (MPFI) sensor
- Check the sensors
Throttle position sensor defective
- Check the throttle position sensor
Cold engine vibrates at idle
Idle speed stabilization valve defect
- Check the valve
Warm engine vibrates at idle
Fuel pressure regulator defective.
- Measure the fuel pressure
Idle speed stabilization valve defect
- Check the valve
Low pressure hose to fuel pressure regulator defective
- Check the hose
Too high idle speed when engine is warm
Fuel pressure regulator defective
- Measure the fuel pressure
The engine runs intermittently
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
Idle speed stabilization valve defect
- Check the valve
Fuel pump relay defective
- Check the relay and replace if necessary
Low pressure hose to fuel pressure regulator defective
- Check the hose
The CO value does not correspond to the norm
- Check the injection
The engine runs jerkily and stalls
The fuel pump delivers fuel unevenly
- Measure the pump flow
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
Fuel pressure regulator defective.
- Measure the fuel pressure
The engine is sucking in extraneous air
- Perform a visual inspection of the engine and all hose attachment points
Low pressure hose to fuel pressure regulator defective
- Check the hose
Defective mass air flow (MPI) sensor or intake air temperature sensor or intake manifold pressure (MPFI) sensor
- Check the sensors
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 fuel pressure
Low pressure hose to fuel pressure regulator defective
- Check the hose
Increased fuel consumption
The CO value does not correspond to the norm
- Check the injection
Low pressure hose to fuel pressure regulator defective
- Check the hose
[This article was copied from the website: AUDIMANUAL.ru]