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What are the symptoms of a bad exhaust temperature sensor?

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What are the symptoms of a bad exhaust temperature sensor?

A pair of defective exhaust gas temperature sensor can have far-reaching consequences for the performance and health of the person Vehicle have. The component, essential for monitoring the exhaust gas temperature, plays a crucial role Emissions control and the Efficiency of the motor. But how do you know that the sensor is no longer working correctly? Here you can find out everything about the symptoms that indicate a defective exhaust gas temperature sensor. One of the first signs can be a increased consumption be. The engine runs inefficiently when the sensor provides incorrect data, resulting in unnecessarily high consumption. Closely related to this is one reduced engine performance.

defective exhaust gas temperature sensor

What are the symptoms of a bad exhaust temperature sensor?

Incorrect temperature readings can cause the engine controller to enter a safety mode that reduces power to protect the engine. Another symptom that cannot be ignored is the Activation of the check engine light (MKL). Modern Diagnostic systems can detect a faulty exhaust gas temperature sensor and warn the driver by activating the warning light. In addition, it can Problems starting the engine come. Precise management of the exhaust gas temperature is important for a smooth start, especially at low temperatures. Incorrect data can disrupt the process. Another, although less obvious, sign can be a increased emissions of harmful exhaust gases .

Fault reading using a diagnostic device

The exhaust gas temperature sensor plays a key role in regulating the air-fuel mixture and exhaust gas aftertreatment. If the sensor is defective, the vehicle may not meet legal emissions standards. It is important to take the symptoms seriously and seek medical attention at the first sign Specialist workshop to visit. Modern diagnostic devices can quickly locate the fault and replace the sensor if necessary. An intact exhaust gas temperature sensor is important not only for performance and efficiency, but also for the environment. Early diagnosis and repair can prevent engine damage and extend its service life.

Summary information on the topic:

  • Changes in driving behavior: Loss of power, jerking, unusual smoke development
  • Warning lights and error codes: Activation of the check engine light, error codes in the diagnostic system
  • Increased fuel consumption: Inefficient combustion, increased consumption due to incorrect sensor data
  • power loss: Direct result of sensor malfunction
  • Jerking when driving: Incorrect data affects engine control
  • Unexplained increase in fuel consumption: Sign of inefficient combustion
  • Warning light in the dashboard: Indication of error codes from the diagnostic system
  • Effects on fuel consumption: Incorrect data leads to inaccurate combustion
  • Engine emergency mode: Increased consumption to avoid damage
  • Potential engine damage: Long-term consequences of inefficient combustion
  • Increased emission of harmful gases: Environmental impact from inefficient combustion
  • Diagnosis and repair: Visit a specialist workshop, special tools for fault diagnosis
  • Repair/replacement costs: €30 – €150 for diagnosis, €80 – €400 for sensor replacement, €50 – €300 for repair
  • Preventive measures: Regular maintenance of the exhaust system, high quality fuel, prevention of overload, protection installation for the sensor
  • Importance of regular checking: Early detection of defects to avoid major damage

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About Thomas Wachsmuth

Thomas Wachsmuth - He has been an integral part of tuningblog.eu since 2013. His passion for cars is so intense that he invests every available penny in them. While he dreams of a BMW E31 850CSI and a Hennessey 6x6 Ford F-150, he currently drives a rather inconspicuous BMW 540i (G31/LCI). His collection of books, magazines and brochures on the subject of car tuning has now reached such proportions that he himself has become a walking reference work for the tuning scene.  More about Thomas

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