P0113 – Audi DTC

Audi DTC P0113 – Defective Intake Air Temperature Sensor, Dirty air filter, Defective Mass Air Flow Sensor, Faulty or corroded Intake Air Temperature Sensor wiring or connections

DTC P0113 meaning on Audi

DTC P0113 indicates a problem with the Intake Air Temperature (IAT) sensor in an Audi vehicle. This code specifically means that the IAT sensor is reporting a voltage that is higher than the expected range. The IAT sensor measures the temperature of the air entering the engine, which is crucial for the engine control unit (ECU) to optimize fuel injection and ignition timing.

Audi DTC P0113 symptoms

Common symptoms associated with DTC P0113 may include:

  • Check Engine Light illuminated
  • Poor engine performance
  • Increased fuel consumption
  • Rough idling or stalling
  • Difficulty starting the engine

Audi DTC P0113 causes

Several factors can lead to the triggering of DTC P0113, including:

  • Defective Intake Air Temperature Sensor
  • Dirty or clogged air filter
  • Defective Mass Air Flow Sensor
  • Faulty or corroded wiring or connections related to the IAT sensor

Audi DTC P0113 seriousness

DTC P0113 can be considered serious as it affects the engine’s air-fuel mixture, potentially leading to:

  • Reduced engine efficiency
  • Increased emissions
  • Potential engine damage if not addressed

It is advisable to diagnose and repair the issue promptly to avoid further complications.

How to diagnose DTC P0113 on Audi

To diagnose DTC P0113, follow these steps:

  1. Use an OBD-II scanner to confirm the DTC and check for any additional codes.
  2. Inspect the Intake Air Temperature Sensor and its wiring for any visible damage or corrosion.
  3. Check the air filter for dirt or blockages that could affect airflow.
  4. Test the IAT sensor with a multimeter to ensure it is functioning within specifications.
  5. Inspect the Mass Air Flow Sensor for proper operation.

How to fix DTC P0113 on Audi step-by-step instructions

To fix DTC P0113, follow these step-by-step instructions:

  1. Disconnect the battery to ensure safety while working on the vehicle.
  2. Inspect and clean or replace the air filter if it is dirty.
  3. Check the wiring and connectors of the IAT sensor for any signs of damage or corrosion, and repair as necessary.
  4. If the IAT sensor is defective, replace it with a new one.
  5. Test the Mass Air Flow Sensor and replace it if it is found to be faulty.
  6. Reconnect the battery and clear the DTC using an OBD-II scanner.
  7. Start the engine and monitor for any reoccurrence of the DTC.

How to erase DTC P0113 on Audi

To erase DTC P0113, follow these steps:

  1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
  2. Turn on the ignition without starting the engine.
  3. Navigate to the ‘Erase Codes’ or ‘Clear DTCs’ option on the scanner.
  4. Confirm the action to clear the codes.
  5. Disconnect the scanner and start the engine to ensure the code does not return.

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