ad blue AUDI A4 1998 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual

AUDI A4 1998 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual A4 1998 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1064/w960_1064-0.png AUDI A4 1998 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual

Page 8 of 78

AUDI A4 1998 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-6
 
  
1 - 
4-pin harness connector 
for Oxygen Sensor (O2S) behind Three 
Way Catalytic Converter (TWC) -G130- 
and Oxygen Sensor (O2S) Heater 1 -Z29- 
(bank 1 sensor 2) green
2 - 
4-pin harness c

Page 9 of 78

AUDI A4 1998 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-7
 
  
5 - 
Secondary Air Injection (AIR) solenoid 
valve -N112- 
6 - 
Intake Air Temperature (IAT) sensor -G42- 
7 - 
4-pin harness connector 
for Heated Oxygen Sensor (HO2S) 2 -
G108- before cata

Page 17 of 78

AUDI A4 1998 B5 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-15
 
  
Intake manifold change-over components, 
removing and installing
 
1 - 
Vacuum setting element 
2 - 
Compression spring 
3 - 
Rotary change-over valve 
4 - 
Intake Manifold 
5 - 
Check-valv