1.8 liter models
Fuel injectors
1. Remove ground wire from battery.
2. Remove air filter.
3. Unscrew the two bolts securing the wires to the top of the manifold.
4. Remove the electrical connectors from the injectors.
5. Unscrew the bolts and remove the injector mounting plates. Nozzles 1 and 2 are mounted with one plate, and 3 and 4 with another.
6. Remove the nozzles and, if necessary, replace the O-rings.
Throttle position potentiometer
The throttle position potentiometer is mounted on the right side of the throttle body.
1. Remove ground wire from battery.
2. Remove the electrical connector from the potentiometer.
3. Unscrew the two screws and remove the potentiometer.
Idle speed control motor
The idle speed is controlled by the engine, which is located in front of the throttle body.
1. Remove ground wire from battery.
2. Remove the electrical connector from the engine.
3. Unscrew the two screws and remove the motor from the throttle body.
Intake air temperature sensor
The intake air temperature sensor is located in the throttle body.
1. Remove the throttle position potentiometer.
2. Remove the electrical connector from the air temperature sensor.
3. Loosen the screw securing the sensor and remove it.
Throttle body heating element
The throttle body heating element is attached to the top of the throttle body.
1. Remove the electrical connector from the heating element.
2. Unscrew the screw securing the heating element and remove it.
2.0 liter models
Fuel line and injectors
1. Remove ground wire from battery.
2. Remove air filter.
3. Relieve pressure in the fuel system.
4. Remove the sensor vacuum tube on the pressure regulator and unscrew the regulator mounting bolt.
5. Release the brackets and remove the various hoses from the line.
6. Unscrew the fuel supply and return hoses.
7. Remove the electrical connectors from the injectors.
8. Unscrew the three bolts securing the fuel line and, lifting it up, remove the line.
9. Remove the brackets securing the injectors to the line and remove them.
10. Check the condition of the O-rings and replace if necessary.
11. Clean the nozzle tips using cleaning fluid.
Intake air temperature sensor
The intake air temperature sensor is located in the throttle body.
1. Remove the throttle position potentiometer.
2. Remove the electrical connector from the air temperature sensor.
3. Loosen the screw securing the sensor and remove it.
Vehicle speed sensor
The vehicle speed sensor is an integral part of the speedometer drive.
Knock sensor
The knock sensor is screwed onto the rear of the cylinder block.