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Company news about What are the symptoms of a bad exhaust gas temperature sensor?

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What are the symptoms of a bad exhaust gas temperature sensor?

2025-06-04

Symptoms of a faulty exhaust gas temperature sensor may include the following issues:

  • ‌Engine starting difficulties‌, especially when cold, due to improper signal transmission to the engine control unit
  • ‌Unstable or rough idling‌, such as fluctuating RPMs or vibrations, caused by incorrect air-fuel mixture adjustments
  • ‌Excessive exhaust emissions‌, like black smoke or higher pollutant levels, resulting from poor combustion control
  • ‌Increased fuel consumption‌, as the ECU compensates with inaccurate fuel injection timing
  • ‌Power loss or hesitation during acceleration‌, stemming from ECU misinterpretation of temperature data

Diagnosis note‌: Testing this sensor requires specialized tools; avoid using an ohmmeter or applying voltage incorrectly, as it can permanently damage the sensor

 
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Company news about-What are the symptoms of a bad exhaust gas temperature sensor?

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What are the symptoms of a bad exhaust gas temperature sensor?

2025-06-04

Symptoms of a faulty exhaust gas temperature sensor may include the following issues:

  • ‌Engine starting difficulties‌, especially when cold, due to improper signal transmission to the engine control unit
  • ‌Unstable or rough idling‌, such as fluctuating RPMs or vibrations, caused by incorrect air-fuel mixture adjustments
  • ‌Excessive exhaust emissions‌, like black smoke or higher pollutant levels, resulting from poor combustion control
  • ‌Increased fuel consumption‌, as the ECU compensates with inaccurate fuel injection timing
  • ‌Power loss or hesitation during acceleration‌, stemming from ECU misinterpretation of temperature data

Diagnosis note‌: Testing this sensor requires specialized tools; avoid using an ohmmeter or applying voltage incorrectly, as it can permanently damage the sensor

 
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