Fuel Injection Components, Removing And Installing
Fuel Injection Components, Removing And Installing (Vehicles With Engine Code BKF, BNU)
1. 10 Nm
2. Air filter
3. 6 Nm
4. Connector, 40-pin
- Switch ignition off before disconnecting or connecting connector
- Disengage to pull off
5. Connector, 81-pin
- Switch ignition off before disconnecting or connecting connector
- Disengage to pull off
6. Engine Control Module (ECM)*
(Motronic Engine Control Module (ECM) -J220-)
- Component location: under inside plenum chamber cover, at left, in passenger compartment
- With integrated Barometric Pressure (BARO) Sensor -F96-
- Checking voltage supply.
7. O-ring
- Replace if damaged
8. Engine speed (RPM) sensor -G28-*
9. 3-pin harness connector
- For engine speed (RPM) sensor
10. 4-pin harness connector
- Terminals 3 and 4 gold-plated
- For Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter (TWC) -229-
- At right vehicle underside
11. Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- bank 1*, 50 Nm
- Voltage supply of oxygen sensor heater via Fuel Pump (FP) Relay -J17-
- Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC).
- Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC).
12. 4-pin harness connector
- Terminals 3 and 4 gold-plated
- At right vehicle underside
- For Oxygen Sensor (O2S (in Center Three Way Catalytic Converter (TWC), Bank 1 -G465- and Oxygen Sensor (O2S) Heater - Center Three Way Catalytic Converter (TWC) -Z59-
13. Oxygen Sensor (O2S) in Center Three Way Catalytic Converter (TWC), Bank 1 -G465-*, 50 Nm
- Voltage supply of oxygen sensor heater via Fuel Pump (FP) Relay -J17-
- Check oxygen sensor heater for Oxygen Sensor (O2S) in Center Three Way Catalytic Converter (TWC).
- Check Oxygen Sensor (O2S) and oxygen sensor control in center Three Way Catalytic Converter (TWC).
14. 6-pin harness connector
- Terminals are gold-plated
- For Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) Heater -Z19-
- At right vehicle underside
15. Heated Oxygen Sensor (HO2S) -G39-* bank 1, 50 Nm
- Voltage supply of oxygen sensor heater via Fuel Pump (FP) Relay -J17-
- Check oxygen sensor heater for Oxygen Sensor (O2S) before Three Way Catalytic Converter (TWC).
- Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC).
16. 20 Nm
17. Brace
- Between intake manifold and bracket
18. Intake manifold
19. Charge air pressure sensor -G31-*
20. Gasket
- Always replace
21. From Evaporative Emission (EVAP) canister purge regulator valve -N80-*
22. Throttle valve control module -J338-*
23. Return line
- To Fuel Pump (FP) unit in fuel tank.
24. Supply line
- From fuel filter.
25. Fuel rail with fuel injectors
26. Retaining clip
- Check for secure seating
27. O-ring
- Replace if damaged
28. Engine Coolant Temperature (ECT) Sensor -G62-*
- For Engine Control Module (ECM)
- With Engine Coolant Temperature (ECT) Gauge Sensor -G2-
- If necessary, release pressure in cooling system before removing
29. Connector
- 4pin
- For Engine Coolant Temperature (ECT) Sensor -G62- and Engine Coolant Temperature (ECT) Gauge Sensor -G2-
30. To tube between turbocharger and charge air cooler
- Smaller connection.
31. To tube between turbocharger and charge air cooler
- Larger connection.
32. To intake hose at turbocharger
33. From crankcase ventilation
34. From check valve
35. To Turbocharger Recirculating Valve -N249-*
36. To vacuum diaphragm at turbocharger
37. Wastegate bypass regulator valve -N75-*
38. Intake hose
- Note installed position
- Check for secure seating
39. Mass Air Flow (MAP) sensor -G70-* with Intake Air Temperature (IAT) sensor -G42-*
- 5-pin connector
- Terminals of sensor and connector are gold-plated
- Check Mass Air Flow (MAF) sensor.
- Check Intake Air Temperature (IAT) sensor.