Fuel injection (gasoline) car Opel Kadett D

LE-Jetronik fuel injection system — design description
LE-Jetronik system diagram: 1. Fuel tank; 2. Electric fuel pump; 3. Fuel filter; 4. Fuel distribution line; 5. Pressure regulator; 6. Control device; 7....

Adjusting the idle speed
Warm up the engine. The oil temperature should be at least 60°C. Connect the tachometer. Attention! Observe safety precautions for the TSZ-H system, see item...

Checking and adjusting CO content
Warm up the engine to an oil temperature of 60°C. Connect a tachometer and a CO tester. Caution! Observe safety precautions when handling the TSZ-H device....

Checking the control relay
The control relay is located on the suspension strut support next to the battery. Disconnect the plug from the control relay. Connect the test pump to...

Checking the performance of the fuel pump
Disconnect the supply fuel line marked with a blue ring from the distribution line and lower the end of the hose into a 5 l container. Disconnect the plug from...

Removal and installation the fuel pump
The fuel pump is located at the rear, under the trunk, on the right, next to the spare wheel well. Removal Disconnect the ground cable from the battery....

Replacing the fuel filter
Replace the filter every 2 years or 40,000 km. Remove the fuel lines. To prevent fuel from leaking out, first clamp the hoses with clamps or plug them with...

Checking, removing and installing injection valves (injectors)
Examination Turn off the ignition. Disconnect the plug from the control relay. Use an ohmmeter to check the resistance between terminals 12 and 9. The...

Checking, adjusting and replacing the throttle position sensor
Examination Turn off the ignition. The gas pedal is in the idle position. Disconnect the plug from the control relay. Measure the resistance between terminals...

Checking, removing and adjusting the air flow meter
Examination Turn off the ignition. Disconnect the plug from the control relay. Use an ohmmeter to measure the resistance between terminals 8 and 9 of the plug....

Checking, removing and installing the temperature sensor
The temperature sensor is located on the cylinder head under the generator bracket. Removal Caution: Before removing the sensor, drain the coolant into a...

Checking and replacing the additional air valve
Examination Disconnect the plug from the valve (arrow right, bottom). Connect a test lamp (12 V/2 W) to the plug contact. Start the engine. The lamp should...

Replacing the filter element
Removal Open the filter cover clamps. Remove the air flow meter from the top of the filter. Remove the filter element. Clean the filter housing. Installation...

Replacing the fuel level sensor
Removal Warning! Fire hazard. Do not use open flame. Drain the fuel by pumping it out through the filler hole of the tank. Disconnect the cable from the...

LE-Jetronik fuel injection system faults
Before searching for the cause of the malfunction in the table, you need to check the engine start, both cold and hot: lightly press and hold the gas pedal...

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