Fuel line and injectors
Removal and installation
1. Relieve pressure in the fuel system and disconnect the ground wire from the battery.
2. Disconnect the electrical connectors from the engine intake air temperature sensor and air flow meter.
3. Loosen the clamps and remove the crankcase ventilation hoses from the back of the head cover.
4. Loosen the clamps and disconnect the intake port from the air filter housing and throttle housing and remove it from the engine compartment.
5. Remove the clip and separate the accelerator cable from the throttle cam ball joint.
6. Disconnect the electrical connector from the idle speed control stepper motor, unscrew the bolts and remove the accelerator cable bracket from the throttle body.
7. Loosen the mounting brackets (indicated by arrows) and remove the cap from the top of the fuel injectors.
8. Unscrew connecting nuts and disconnect fuel hoses from a fuel highway.
9. Unscrew three bolts, remove a fuel line together with atomizers from a collector. Remove the lower o-rings from the fuel injectors.
10. Release the mounting bracket and remove the fuel injector from the fuel line. Remove the top o-ring from the fuel injector.
11. Installation is made in sequence, return to removal. In this case, new sealing rings must be installed on the fuel injectors.
Pressure regulator
Removal and installation
1. Relieve pressure in the fuel system and remove the ground wire from the battery.
2. To improve access to the pressure regulator, loosen the clamp and remove the crankcase ventilation hose from the back of the head cover.
3. Disconnect the vacuum hose (1) from the regulator. Loosen the clamp (2) and remove the regulator from the top of the fuel line.
4. Installation is made in sequence, return to removal. In this case, new sealing rings must be used.
Idle speed control motor
Removal and installation
1. Disconnect the electrical connectors from the intake air temperature sensor and air flow meter. Loosen the clamp and disconnect the crankcase breather hose from the back of the head cover. Loosen the clamps and remove the air inlet from the engine.
2. Disconnect the electrical connector (photo on the left), unscrew the screws (indicated by arrows in the photo on the right) and remove the idle speed control motor from the side of the throttle body.
3. Installation is made in sequence, return to removal.
Throttle potentiometer
Removal and installation
1. Switch off the ignition and disconnect the electrical connector from the throttle potentiometer, which is located on the rear of the throttle body.
2. Unscrew the screws and remove the potentiometer from the throttle body.
3. Installation is made in sequence, return to removal. In this case, the potentiometer must be set so that it is exactly aligned with the axis of the throttle valve.
Coolant temperature sensor
The coolant temperature sensor is screwed into a housing at the left front end of the cylinder head.
Intake air temperature sensor
Removal and installation
1. Switch off the ignition and disconnect the electrical connector from the sensor
2. Loosen the clamps and disconnect the air intake duct from the air flow meter and air filter housing and remove it from the engine compartment.
3. Remove the sensor.
4. Installation is made in sequence, return to removal.
Air flow meter
Removal and installation
1. Switch off the ignition and disconnect the electrical connector from the air flow meter.
2. Loosen the clamps, disconnect the intake ports and remove the air flow meter.
3. Installation is made in sequence, return to removal.
Crankshaft sensor
The sensor is mounted on the front of the cylinder block and is accessible from below.
Removal and installation
1. Raise the front of the car and secure it on stands.
2. Remove the front support of the power unit.
3. Release the sensor wiring from the mounting brackets and disconnect the electrical connector.
4. Unscrew the bolt and remove the sensor.
5. Installation is made in sequence, return to removal. In this case, it is necessary to install a new sealing ring on the sensor.
Camshaft sensor
Removal and installation
1. Remove the screws and remove the spark plug cover from the top of the head cover.
2. Switch off the ignition and disconnect the electrical connector from the camshaft sensor.
3. Remove the front toothed belt cover.
4. Unscrew the bolt and remove the camshaft sensor from the top of the head.
5. Installation is made in sequence, return to removal.
Knock sensor
The knock sensor is mounted on the rear of the cylinder block and is accessible from below.
Removal and installation
1. Raise the front of the car and secure it on stands.
2. Disconnect the sensor wiring from the mounting brackets.
3. Release the mounting brackets and lift the cover with electrical wires over the rear of the cylinder head to access the sensor electrical connector. Disconnect the electrical connector.
4. Unscrew the bolt and remove the sensor.
5. Check up that interfaced surfaces of the gauge and the block of cylinders pure and dry. Install the sensor and secure it with the bolt. Further installation is carried out in the reverse order of removal.
Electronic control device
The ECU is located under the water deflector in front of the windshield.
Removal and installation
1. Remove the ground wire from the battery. Remove the wiper arms.
2. Remove the top seal from the bulkhead of the engine compartment and remove the water deflector.
3. Unscrew nuts and remove a protective casing of the block ECU.
4. Disconnect the electrical connectors, unscrew the nuts and remove the ECU.
5. Installation is made in sequence, return to removal.
Fuel pump relay
The fuel pump relay is located in the engine compartment in the relay box.
Removal and installation
1. Remove the relay box cover and remove the fuel pump relay, which is purple.
2. Installation is made in sequence, return to removal.
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