Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI2008A3 BASE, 2.0 E, AUTOMATIC DCTREPAIR AND DIAGNOSISQUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORSENDING UNITS/SENSORS
2008 Audi A3 Base, 2.0 E, Automatic DCT
Sending Units/Sensors
2008 Audi A3 Base, 2.0 E, Automatic DCTSECTION Sending Units/Sensors
SENDING UNITS & SENSORS LOCATION
| Component | Location |
|---|---|
| Accelerator Pedal Position Sender 2 | At accelerator pedal. See Figure. |
| Air Quality Sensor | In right plenum chamber. See Figure. |
| Brake Pressure Sensor 1 | Right rear of engine compartment. See Figure. |
| Camshaft Position (CMP) Sensor | Front of cylinder head. See Figure. |
| Charge Air Pressure Sensor | In charge air pipe. See Figure. |
| Engine Coolant Temperature (ECT) Sensor | Right rear of engine. See Figure. |
| Engine Speed (RPM) Sensor | On engine block near transmission. See Figure. |
| Evaporator Vent Temperature Sensor | Right front of center console. See Figure. |
| Front Air Bag Crash Sensor (Driver's) | Left front of engine compartment. See Figure. |
| Front Air Bag Crash Sensor (Front Passenger's) | Right front of engine compartment. See Figure. |
| Fuel Pressure Sensor | On left side of engine, in fuel rail. See Figure. |
| Heated Oxygen Sensor (HO2S) | In exhaust, at turbocharger exit. See Figure. |
| Intake Air Temperature (IAT) Sensor | Left side of engine. See Figure. |
| Intake Manifold Runner Position Sensor | On cylinder head, in intake manifold. See Figure. |
| Knock Sensor (KS) 1 | On left front of engine block, near head. See Figure. |
| Knock Sensor (KS) 2 | On left rear of engine block, near head. See Figure. |
| Low Fuel Pressure Sensor | Left rear of engine. See Figure. |
| Mass Air Flow (MAF) Sensor | On intake air duct. See Figure. |
| Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) | Under vehicle, in exhaust. See Figure. |
| Oxygen Sensor (O2S) Heater | In exhaust at turbocharger exit. See Figure. |
| Oxygen Sensor (O2S) Heater 1 Behind Three Way Catalytic Converter (TWC) | Under vehicle, in exhaust. See Figure. |
| Rain/Light Recognition Sensor | On interior rearview mirror. See Figure. |
| Seat Occupied Recognition Pressure Sensor | On base of front passenger's seat. See Figure. |
| Seat Occupied Recognition Safety Belt Force Sensor | In front passenger's seat belt latch. See Figure. |
| Side Air Bag Crash Sensor (Driver's) | In driver's door. See Figure. |
| Side Air Bag Crash Sensor (Front Passenger's) | In front passenger's door. See Figure. |
| Steering Angle Sensor | Behind steering wheel. See Figure. |
| Steering Torque Sensor | In power steering rack. See Figure. |
| Sunlight Photo Sensor | Top left center of dash. See Figure. |
| Throttle Drive Angle Sensor 1 (Electronic Power Control (EPC)) | Under engine top cover. See Figure. |
| Throttle Drive Angle Sensor 2 (Electronic Power Control (EPC)) | Under engine top cover. See Figure. |
| Throttle Position (TP) Sensor | On accelerator pedal. See Figure. |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.