Mazda DTC P1136 – HO2S Bank 1 Sensor 1 Heater Circuit High Input
DTC P1136 meaning on Mazda
DTC P1136 on a Mazda indicates an issue with the HO2S (Heated Oxygen Sensor) Bank 1 Sensor 1 Heater Circuit having a high input signal.
Mazda DTC P1136 symptoms
Symptoms of DTC P1136 on a Mazda may include:
- Check Engine Light illuminated
- Poor fuel economy
- Engine running rough
Mazda DTC P1136 causes
Common causes of DTC P1136 on a Mazda include:
- Failed HO2S Bank 1 Sensor 1
- Wiring or connector issues in the sensor circuit
- Faulty PCM (Powertrain Control Module)
Mazda DTC P1136 seriousness
While the vehicle may still be operable with DTC P1136, it is important to address this issue promptly to prevent potential damage to the engine and ensure optimal fuel efficiency.
How to diagnose DTC P1136 on Mazda
To diagnose DTC P1136 on a Mazda, you can:
- Use a scan tool to retrieve the fault code and freeze frame data
- Inspect the wiring and connectors related to HO2S Bank 1 Sensor 1
- Test the sensor’s heater circuit for proper voltage and resistance
How to fix DTC P1136 on Mazda
To fix DTC P1136 on a Mazda, you may need to:
- Replace the HO2S Bank 1 Sensor 1 if it is faulty
- Repair any damaged wiring or connectors in the sensor circuit
- If necessary, replace the PCM
How to erase DTC P1136 on Mazda
To erase DTC P1136 on a Mazda, you can:
- Use a scan tool to clear the fault code
- After making necessary repairs, ensure the issue is resolved before clearing the code
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