Audi DTC P1104 – Bank1-Sensor2 Voltage too Low/Air Leak
DTC P1104 meaning on Audi
DTC P1104 on an Audi indicates that there is a problem with the Bank 1, Sensor 2 oxygen sensor voltage being too low. This could be due to an air leak in the intake system.
Audi DTC P1104 symptoms
Symptoms of DTC P1104 on an Audi may include poor engine performance, rough idling, decreased fuel efficiency, and the illumination of the check engine light on the dashboard.
Audi DTC P1104 causes
The most common cause of DTC P1104 on an Audi is an air leak in the intake system. This can lead to incorrect readings by the oxygen sensor, resulting in the voltage being too low.
Audi DTC P1104 seriousness
While DTC P1104 may not cause immediate harm to the vehicle, it can lead to decreased fuel efficiency and engine performance if left unresolved. It is recommended to address this issue promptly.
How to diagnose DTC P1104 on Audi
To diagnose DTC P1104 on an Audi, a mechanic would typically use a diagnostic scanner to retrieve the fault codes and then inspect the intake system for any signs of air leaks. Additionally, testing the oxygen sensor’s voltage output may be necessary.
How to fix DTC P1104 on Audi
To fix DTC P1104 on an Audi, the air leak in the intake system needs to be located and repaired. This may involve replacing gaskets, hoses, or other components that are causing the leak. Once the leak is fixed, clearing the fault codes and resetting the check engine light should resolve the issue.
How to erase DTC P1104 on Audi
To erase DTC P1104 on an Audi, a diagnostic scanner can be used to clear the fault codes stored in the vehicle’s computer system. Once the codes are cleared, the check engine light should turn off. It is important to ensure that the underlying issue, such as the air leak, has been addressed before clearing the fault codes.
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