Audi A4 Quatro 2.8L 1997 Front Electrical Circuit Wiring Diagram
| Symbol | Description |
|---|---|
| 1 | Evaporative Emission Canister Sensor |
| 2 | EVAP Canister Purge Regulator Valve |
| 3 | Fuel Pressure Regulator |
| 4 | Engine Coolant Temperature Sensor |
| 5 | Ground Connection |
| 6 | Heated Oxygen Sensor 2 |
| 7 | Crankshaft Position Sensor |
| 8 | Knock Sensor 2 |
| 9 | Engine Speed Sensor |
| 10 | Knock Sensor 1 |
| 11 | Idle Air Control Valve |
Audi A4 Quatro 2.8L 1997 Front Electrical Circuit Symbol Map
