Audi DTC P1187 – Linear 02 Sensor / Compens. Resistor Open Circuit
DTC P1187 meaning on Audi
The DTC P1187 on an Audi indicates a fault with the Linear O2 Sensor or Compensating Resistor Open Circuit. This fault code is related to the oxygen sensor’s ability to accurately measure the oxygen content in the exhaust gases.
Audi DTC P1187 symptoms
Symptoms of DTC P1187 on an Audi may include:
- Check Engine Light illuminated on the dashboard
- Poor fuel economy
- Engine running rough or misfiring
- Reduced engine performance
Audi DTC P1187 causes
Common causes of DTC P1187 on an Audi include:
- Faulty Linear O2 Sensor
- Open circuit in the Compensating Resistor
- Wiring or connector issues
- Exhaust leaks
Audi DTC P1187 seriousness
The seriousness of DTC P1187 on an Audi should not be ignored, as it can lead to poor engine performance, reduced fuel efficiency, and potential damage to the catalytic converter over time.
How to diagnose DTC P1187 on Audi
To diagnose DTC P1187 on an Audi, follow these steps:
- Use an OBD-II scanner to retrieve the fault code
- Inspect the wiring and connectors related to the Linear O2 Sensor
- Check the resistance of the Compensating Resistor
- Perform a visual inspection for any exhaust leaks
How to fix DTC P1187 on Audi
To fix DTC P1187 on an Audi, consider the following:
- Replace the faulty Linear O2 Sensor
- Repair any wiring or connector issues
- Address any exhaust leaks
- If necessary, replace the Compensating Resistor
How to erase DTC P1187 on Audi
To erase DTC P1187 on an Audi, you can use an OBD-II scanner to clear the fault code after the underlying issue has been resolved. This will reset the Check Engine Light and allow you to monitor the system for any recurring faults.
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