A6 Quattro Sedan V6-2.8L (AHA) (1998)
Variable Valve Timing Solenoid: Locations
Motronic Multiport Fuel Injection (MFI) and Ignition System
Components 1 Through 15
1. Harness connector
For O2S behind TWC -G130- and O2S heater -Z29-
4- pin connector, green
For bank 1, sensor 2
2. Harness connector
For O2S 2 behind TWC -G131- and 02S 2 heater -Z30-
4-pin connector, brown
For bank 2, sensor 2
3. Harness connector
For HO2S -G39- with O2S heater -Z19-
4-pin connector, black
For bank 1, sensor 1
4. Harness connector
For Knock Sensor (KS) 1 -G61-
3-pin connector, blue
5. Secondary Air Injection (AIR) solenoid valve -N112-
6. Intake Air Temperature (IAT) sensor -G42-
7. Harness connector
For HO2S 2 -G108- with O2S heater -Z28-
4-pin connector, black
For bank 2, sensor 1
8. Harness connector
For engine speed (RPM) sensor -G28-
3-pin connector, gray
9. Harness connector
For Knock Sensor (KS) 2 -G66-
3-pin connector, blue