P1164 – Audi DTC

Audi DTC P1164 – Fuel Temperature Sensor Range/Performance/Incorrect Signal

DTC P1164 meaning on Audi

The Diagnostic Trouble Code (DTC) P1164 for Audi indicates an issue with the Fuel Temperature Sensor, specifically related to its range, performance, or signal being incorrect. The Fuel Temperature Sensor is responsible for monitoring the temperature of the fuel in the system, providing crucial data for the engine control unit to adjust fuel delivery and optimize combustion.

Audi DTC P1164 symptoms

Symptoms of DTC P1164 on an Audi may include:

  • Check Engine Light (MIL) illuminated
  • Decreased fuel efficiency
  • Engine running rough or misfiring
  • Difficulty starting the engine
  • Reduced engine performance

Audi DTC P1164 causes

Potential causes of DTC P1164 on an Audi include:

  • Defective Fuel Temperature Sensor
  • Wiring or connector issues in the sensor circuit
  • Corrosion or contamination affecting sensor operation
  • Software or calibration issues in the engine control module

Audi DTC P1164 seriousness

While DTC P1164 may not cause immediate drivability issues, it can lead to poor engine performance and decreased fuel efficiency if left unresolved. Ignoring this fault code may result in potential long-term damage to the engine or emissions system.

How to diagnose DTC P1164 on Audi

To diagnose DTC P1164 on an Audi, a mechanic would typically perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
  2. Inspect the wiring and connectors related to the Fuel Temperature Sensor
  3. Test the sensor’s resistance and voltage output
  4. Check for any signs of sensor damage or contamination
  5. Verify proper operation of the sensor using manufacturer-specific diagnostic procedures

How to fix DTC P1164 on Audi

To fix DTC P1164 on an Audi, the following steps may be taken:

  1. Replace the faulty Fuel Temperature Sensor if it is determined to be defective
  2. Repair or replace any damaged wiring or connectors in the sensor circuit
  3. Clean or replace the sensor if contamination is present
  4. Update the engine control module software if necessary

How to erase DTC P1164 on Audi

To erase DTC P1164 on an Audi, the fault code can be cleared using a diagnostic scanner with the capability to reset codes. After addressing the underlying issue causing the fault code, the code can be cleared, and the Check Engine Light should turn off. It is important to ensure that the repair has been successful before clearing the code to prevent it from reoccurring.

Recommended tools for Audi diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.