Fuel Delivery and Air Induction: Locations

Fuel Injection System Components:

1 - Activated charcoal filter solenoid valve 1 (N80)
- Activated charcoal filter system
2 - Hall sender (G163)
- item 11 Service and Repair
3 - 4 pin connector
- Black for Oxygen sensor 1 before catalyst (G39) and Oxygen Sensor (O2S) heater (Z19)
- Right on underside of vehicle
4 - 4 pin connector
- Brown for Oxygen sensor 2 after catalyst (G130) and Oxygen Sensor (O2S) heater (Z19)
- Right on underside of vehicle
5 - Engine control module
- (Motronic control module - J220)
6 - Ignition coil with output stage (N70, N127, N291, N292)
- item 3 Service and Repair
7 - Charge pressure limitation solenoid valve (N75)
- Charge pressure system:
8 - Mass Air Flow (MAF) sensor (G70)
9 - Secondary air pump relay (J299)
- Secondary air system:
10 - Clutch pedal switch (F36), brake light switch (F) and brake pedal switch
11 - Engine Coolant Temperature (ECT) sensor (G62)
12 - Injectors (N30-N33)
13 - Fuel pressure regulator
14 - engine speed (RPM) sensor (G28)
15 - Knock sensor 2 (G66)
- item 8 Service and Repair
16 - Divert valve - for turbocharger (N249)
- Checking charge pressure system:
17 - 3 pin connector
- Brown for knock sensor 1 (G61)
- Black for knock sensor 2 (G66)
- Grey for engine speed (RPM) sensor (G28)
18 - Secondary air pump motor (V101)
- Secondary air system:
19 - Secondary air inlet valve (N112)
- Secondary air system:
20 - Knock sensor 1 (G61)
- item 7 Service and Repair
21 - Power steering pressure switch (F88)
22 - Intake Air - Temperature (IAT) sensor (G42)
23 - Throttle valve control module (J338)
24 - Charge pressure sender (G31)