Audi DTC P1131 – Bank2-Sensor1 Internal Resistance too High
DTC P1131 meaning on Audi
DTC P1131 on an Audi indicates that the internal resistance of Bank 2 Sensor 1 is too high. This fault code is specific to the oxygen sensor located in the exhaust system of the vehicle.
Audi DTC P1131 symptoms
Symptoms of DTC P1131 on an Audi may include poor fuel economy, rough idling, hesitation during acceleration, and an illuminated check engine light on the dashboard.
Audi DTC P1131 causes
The high internal resistance in Bank 2 Sensor 1 that triggers DTC P1131 on an Audi can be caused by issues such as a faulty oxygen sensor, wiring problems, or an exhaust system leak.
Audi DTC P1131 seriousness
While DTC P1131 may not cause immediate drivability issues, it can lead to decreased fuel efficiency and potentially harm the engine over time if left unresolved. It is recommended to address this fault code promptly.
How to diagnose DTC P1131 on Audi
To diagnose DTC P1131 on an Audi, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform a visual inspection of the oxygen sensor and its wiring. Testing the sensor’s resistance and checking for exhaust leaks are common diagnostic steps.
How to fix DTC P1131 on Audi
Fixing DTC P1131 on an Audi often involves replacing the Bank 2 Sensor 1 oxygen sensor. Ensure the new sensor meets OEM specifications and follow proper installation procedures. Additionally, addressing any wiring issues or exhaust leaks is crucial to resolving this fault code.
How to erase DTC P1131 on Audi
After fixing the underlying issue causing DTC P1131 on an Audi, the fault code can be erased using a diagnostic scanner. Clearing the code will reset the check engine light and allow the vehicle’s onboard computer to monitor the system for any new faults.
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