P1173 – Mazda DTC

Mazda DTC P1173 – HO2S Bank 2 Sensor 1 Circuit Fixed (Bank 2 Sensor 1)

DTC P1173 meaning on Mazda

DTC P1173 refers to “HO2S Bank 2 Sensor 1 Circuit Fixed (Bank 2 Sensor 1)” in Mazda vehicles. This diagnostic trouble code indicates an issue with the oxygen sensor circuit in Bank 2 Sensor 1.

Mazda DTC P1173 symptoms

Symptoms of DTC P1173 in Mazda vehicles may include:

  • Check Engine Light illuminated
  • Decreased fuel efficiency
  • Engine running rough or misfiring

Mazda DTC P1173 causes

Common causes of DTC P1173 in Mazda vehicles include:

  • Faulty oxygen sensor (Bank 2 Sensor 1)
  • Wiring or connector issues in the oxygen sensor circuit
  • Exhaust leaks near the oxygen sensor

Mazda DTC P1173 seriousness

DTC P1173 should not be ignored as it can lead to decreased fuel efficiency and potential engine performance issues. It is recommended to address this code promptly to prevent further damage to the vehicle.

How to diagnose DTC P1173 on Mazda

To diagnose DTC P1173 on a Mazda vehicle, follow these steps:

  1. Use an OBD-II scanner to retrieve the specific fault code.
  2. Inspect the wiring and connectors related to Bank 2 Sensor 1.
  3. Check for exhaust leaks near the oxygen sensor.
  4. Test the oxygen sensor using a multimeter or scan tool.

How to fix DTC P1173 on Mazda

To fix DTC P1173 on a Mazda vehicle, consider the following:

  1. Replace the faulty oxygen sensor (Bank 2 Sensor 1).
  2. Repair any damaged wiring or connectors in the oxygen sensor circuit.
  3. Address any exhaust leaks near the oxygen sensor.

How to erase DTC P1173 on Mazda

To erase DTC P1173 on a Mazda vehicle, you can use an OBD-II scanner to clear the fault code. After addressing the underlying issue causing the code, clearing the code will reset the Check Engine Light.

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