Possible malfunctions of the system L-Jetronic, their causes and remedies

X

X

No fuel in the tank

Fill the fuel tank

X

Faulty fuel pump

Check the pump and replace if necessary

X

X

X

X

X

X

X

X

Clogged fuel filter

Rinse the filter screen or replace the filter

X

X

X

X

X

Deformed or clogged drain pipe

Straighten or blow the fuel

X

X

X

High fuel pressure

Check the operation of the pressure regulator, replace if necessary

X

X

X

X

X

X

Lowering the fuel pressure in the system

Check the operation of the pressure regulator, replace if necessary

X

X

X

X

X

The increased control pressure

Check the operation of the control pressure regulator, replace if necessary

X

X

X

X

X

X

Reduced control pressure

Check the operation of the control pressure regulator, replace if necessary

X

X

X

X

X

X

X

X

Leaking injectors

Replace the nozzle

X

Partially clogged injectors

Replace the nozzle

X

X

X

It does not work launcher nozzle

Check launcher injector wires and connections

X

X

Leakage trigger nozzle

Replace the nozzle

X

Faulty thermal time relay

Replace relay

X

Faulty coolant temperature sensor

Check wires and connections, if necessary, replace the sensor

X

X

X

X

X

Broken throttle adjustment

Adjust the initial throttle position

X

X

X

Do not close the valve further supply vozdua

Check valve and replace if necessary

X

X

Leakage air supply hood and / or air quantity meter

Check intake system, replace if necessary

X

X

X

X

Loosening injectors

Tighten the injector

X

Leakage of exhaust gas vypsuka

Fix leaks system

X

Faulty spark plugs

Replace the spark plug

X

X

X

X

X

X

Faulty ignition coil

Replace the ignition coil

X

X

Faulty Switch

Replace switch

X

X

Open in wiring the ignition system

Replace damaged wires

Improper control of ignition timing

Replace switch

Damaged vacuum hoses

Replace damaged hoses

X

Faulty ignition timing control

Replace sensor-distributor

X

X

X

X

X

X

Improper installation of the moment of ignition

Adjust the ignition timing

X

X

X

X

X

X

X

X

The engine must be repaired

X

X

X

X

The use of fuels with lower octane

Use only with the required fuel octane

X

X

X

X

Disturbed regulation of engine idling

Adjust idling

No fuel in the tank

Fill the fuel tank

Faulty fuel pump

Check the pump and replace if necessary

X

X

X

X

X

Clogged fuel filter

Rinse the filter screen or replace the filter

X

X

X

X

Deformed or clogged drain pipe

Straighten or blow the fuel

X

X

X

High fuel pressure

Check the operation of the pressure regulator, replace if necessary

X

X

Lowering the fuel pressure in the system

Check the operation of the pressure regulator, replace if necessary

X

X

X

X

X

X

The increased control pressure

Check the operation of the control pressure regulator, replace if necessary

X

X

X

X

X

X

Reduced control pressure

Check the operation of the control pressure regulator, replace if necessary

X

X

X

X

X

X

X

X

Leaking injectors

Replace the nozzle

X

X

X

X

X

X

Partially clogged injectors

Replace the nozzle

X

X

X

X

X

X

It does not work launcher nozzle

Check launcher injector wires and connections

X

Leakage trigger nozzle

Replace the nozzle

X

X

X

X

Faulty thermal time relay

Replace relay

Faulty coolant temperature sensor

Check wires and connections, if necessary, replace the sensor

X

X

X

X

X

X

Broken throttle adjustment

Adjust the initial throttle position

X

Do not close the valve further supply vozdua

Check valve and replace if necessary

X

X

X

X

Leakage air supply hood and / or air quantity meter

Check intake system, replace if necessary

X

X

X

X

X

X

Loosening injectors

Tighten the injector

X

X

X

X

Leakage of exhaust gas vypsuka

Fix leaks system

X

X

X

X

Faulty spark plugs

Replace the spark plug

X

X

X

X

X

Faulty ignition coil

Replace the ignition coil

X

X

X

X

Faulty Switch

Replace switch

X

X

X

X

Open in wiring the ignition system

Replace damaged wires

X

X

X

X

X

Improper control of ignition timing

Replace switch

X

X

X

X

Damaged vacuum hoses

Replace damaged hoses

X

X

X

X

Faulty ignition timing control

Replace sensor-distributor

X

X

X

X

X

X

X

Improper installation of the moment of ignition

Adjust the ignition timing

X

X

X

X

X

X

X

X

X

The engine must be repaired

X

X

X

X

The use of fuels with lower octane

Use only with the required fuel octane

X

X

X

X

Disturbed regulation of engine idling

Adjust idling