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.
2013 Audi S7FACTORY OEM SERVICE PROCEDURE
DTC Index
- Diagnostic Trouble Codes (DTC) Index
- Fuel, Air Mixture, and Additional Emissions Regulations (DTC) Index
- Ignition System (DTC) Index
- Additional Exhaust Regulation (DTC) Index
- Speed and Idle Control (DTC) Index
- Control Module and Output Signals (DTC) Index
- Fuel and Air Ratios, Control Module (DTC) Index
- Fuel and Air Mixture, Additional Emissions Regulations (DTC) Index
- Fuel and Air Ratio (DTC) Index
- Additional Emission Regulations (DTC) Index
- Transmission Fluid Cooler Control Circuit High
- Diagnostic Procedures
- Camshaft Adjustment Valve 1, Checking
- Camshaft Position Sensor, Checking
- Camshaft Adjustment Actuators, Intake, Checking
- Camshaft Adjustment Actuators, Exhaust, Checking
- Speed Signal, Checking
- Can Bus Terminal Resistance, Checking
- Catalytic Converter, Checking
- Turbocharger, G-Charger
- Charge Air Pressure Sensor, Checking
- Turbocharger Recirculating Valve, Checking
- WASTEGATE Bypass Regulator Valve, Checking
- Engine Coolant Temperature Sensor, Checking
- Engine Speed Sensor, Checking
- Evaporative Purge Regulator Valve, Checking
- Evaporative System, Checking For Leaks
- Evaporative Emission Canister System, Checking For Proper Seal
- Fuel Injectors, Checking
- Fuel Pressure Sensor, Checking
- Fuel Pressure Regulator Valve, Checking
- Fuel Pump Delivery Quantity, Checking
- Fuel Pressure Test
- Fuel Tank Pressure Sensor
- Fuel Pump Electrical, Testing
- Transfer Fuel Pump, Checking
- Fuel Pump Control Module, Checking
- Fuel Tank Leak Detection Control Module, Checking
- Ignition Coil With Power Output Stage, Checking
- Intake Air Temperature Sensor, Checking
- Intake Manifold Runner Position Sensor, Checking
- Intake Manifold Runner Control Valve, Checking
- Knock Sensor 1, Checking
- Leak Detection Pump, Checking
- Mass Air Flow Sensor, Checking
- Oxygen Sensor After Catalytic Converter, Checking
- Heated Oxygen Sensor Ho2S, Checking
- Oxygen Sensor O2S Behind Three Way Catalytic Converter, Checking
- Oxygen Sensor O2S Heater, Checking
- Oxygen Sensor O2S 1 Heater Before Catalytic Converter, Checking
- TCM To ECM Can Bus Terminal Resistance, Checking
- Throttle Position Sensor/Accelerator Pedal Position Sensor 2, Checking
- Throttle Valve Control Module, Checking
- Voltage Supply, Checking
- Engine Control Module, Replacing
- Engine Component Power Supply Relay, Checking
- Safety Precautions
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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