Air flow sensor (Motronic 3.2)
Air flow sensor location (ADR engine)
On the ADR engine, the air flow sensor is located on the top cover of the air filter.
Withdrawal
1. Remove the cover.
2. Disconnect the air tube from the sensor (ADR engine).
3. Disconnect the sensor connector (ADR engine).
4. Loosen the fixing screws and remove the sensor.
Installation
Installation is carried out in the reverse order of removal.
Air flow sensor (KE Motronic/Jetronic)
Elements of the air flow sensor on the ACE engine
- 1. Fixing screw
- 2. Banjo connection bolt
- 3. Fuel distributor
- 4. Banjo connection bolt
- 5. O-rings
- 6. Fuel pipe
- 7. Fixing screw
- 8. Pressure regulator
- 9. Banjo connection bolt
- 10. Air flow sensor
- 11. Plug
- 12. O-ring
- 13. Locking screw
- 14. O-ring
- 15. Plunger
- 16. Mounting bracket
- 17. Purge valve
- 18. Mount
- 19. Mounting bracket
- 20. Screw
- 21. Ventilation hose
- 22. Mounting bracket
- 23. Diaphragm pressure regulator
- 24. Fuel return line
Withdrawal
1. Tag the fuel lines and disconnect them from the fuel distributor.
2. Remove the air intake pipe.
3. Loosen the mounting screws and remove the sensor.
Installation
Installation is carried out in the reverse order of removal.
Throttle Potentiometer (Motronic 3.2) or throttle position sensor (KE Motronic/Jetronic)
Withdrawal
1. Disconnect the connector.
2. Loosen the fixing screws and remove the potentiometer or sensor.
Installation
Installation is carried out in the reverse order of removal.
Intake manifold air temperature sensor (Motronic 3.2)
Withdrawal
1. Disconnect the connector.
2. Loosen the mounting screws and remove the sensor.
Installation
Installation is carried out in the reverse order of removal.
Throttle Positioning Module (Motronic 3.2)
Removal and installation of the module are carried out similarly to the throttle potentiometer.
Vehicle speed sensor (Motronic 3.2)
The sensor is installed in the speedometer unit, and to replace it, the speedometer must be replaced.
Coolant temperature sensor (all systems)
Withdrawal
1. Drain approximately one fourth of the coolant from the engine.
2. Disconnect the connector for the corresponding sensor and unscrew it from the socket.
Installation
Installation is carried out in the reverse order of removal.
Engine speed sensor (all systems)
Withdrawal
1. Disconnect the sensor connector.
2. Loosen the mounting bolt and remove the sensor.
Installation
Installation is carried out in the reverse order of removal.
Throttle body (all systems)
Withdrawal
1. Disconnect the accelerator cable.
2. Disconnect connectors, vacuum and air hoses.
3. Loosen the mounting bolts and remove the throttle body.
Installation
Installation is carried out in the reverse order of removal.
Injectors and fuel manifold (Motronic 3.2)
Withdrawal
1. Disconnect the vacuum hose, fuel pipes and hoses from the fuel manifold.
2. Disconnect the connectors for connecting the injectors and the Hall sensor.
3. Loosen the mounting bolts and remove the fuel manifold.
Installation
Installation is carried out in the reverse order of removal.
Fuel pressure control (Motronic 3.2)
Withdrawal
1. Disconnect the vacuum hose from the regulator.
2. Remove the mounting clip and remove the regulator from the fuel manifold.
Installation
Installation is carried out in the reverse order of removal.
Hall Sensor (Motronic 3.2)
Withdrawal
1. Disconnect the sensor connector.
2. Loosen the mounting screws and remove the sensor.
Installation
Installation is carried out in the reverse order of removal.
Oxygen sensor (all systems)
Location of the oxygen sensor (ADR engine)
Withdrawal
Disconnect the sensor connector and unscrew the sensor from the exhaust manifold.
Installation
Installation is carried out in the reverse order of removal.
Electronic control unit
Withdrawal
1. Remove trim panels.
2. Unscrew the fixing screws and remove the covers of the electronic control unit.
3. Unscrew the fixing screws and remove the electronic control unit by disconnecting the connection connector.
Installation
Installation is carried out in the reverse order of removal.
Fuel injectors (KE)
Withdrawal
1. Disconnect the injector connectors.
2. Remove the cooling tube, if necessary.
3. Remove the fuel manifold (if it is needed), unscrew the connection nuts and disconnect the fuel pipes.
4. Remove injectors.
Installation
Installation is carried out in the reverse order of removal.
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