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Şirket Haberleri Hakkında What does an exhaust gas temperature sensor do?

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What does an exhaust gas temperature sensor do?

2025-11-03

An exhaust gas temperature (EGT) sensor is a device that measures the temperature of exhaust gases in a vehicle's exhaust system. It plays a critical role in monitoring and optimizing engine performance, emissions control, and safety. Here’s a detailed explanation of its functions:

 

1.Monitoring Engine Performance‌: The EGT sensor provides real-time data on exhaust gas temperature, which helps the engine control unit (ECU) adjust fuel injection, ignition timing, and air-fuel ratios for optimal efficiency‌

2.Emissions Control‌: In systems like Selective Catalytic Reduction (SCR), the sensor ensures the exhaust gas temperature is within the required range to activate the catalyst and prevent harmful emissions (e.g., ammonia bisulphate formation).

3.Protecting Components‌: High exhaust gas temperatures can damage the catalytic converter or diesel particulate filter (DPF). The sensor alerts the ECU to take corrective actions, such as reducing engine load, to prevent overheating‌

4.Diagnostics‌: Abnormal EGT readings can indicate issues like a failing turbocharger, clogged exhaust, or fuel system problems, aiding in troubleshooting‌

 

The sensor is typically installed in the exhaust manifold, turbocharger outlet, or DPF inlet, and its data is transmitted to the vehicle’s onboard computer for analysis and control‌

 
 
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Haber ayrıntıları
Evde > Haberler >

Şirket Haberleri Hakkında-What does an exhaust gas temperature sensor do?

What does an exhaust gas temperature sensor do?

2025-11-03

An exhaust gas temperature (EGT) sensor is a device that measures the temperature of exhaust gases in a vehicle's exhaust system. It plays a critical role in monitoring and optimizing engine performance, emissions control, and safety. Here’s a detailed explanation of its functions:

 

1.Monitoring Engine Performance‌: The EGT sensor provides real-time data on exhaust gas temperature, which helps the engine control unit (ECU) adjust fuel injection, ignition timing, and air-fuel ratios for optimal efficiency‌

2.Emissions Control‌: In systems like Selective Catalytic Reduction (SCR), the sensor ensures the exhaust gas temperature is within the required range to activate the catalyst and prevent harmful emissions (e.g., ammonia bisulphate formation).

3.Protecting Components‌: High exhaust gas temperatures can damage the catalytic converter or diesel particulate filter (DPF). The sensor alerts the ECU to take corrective actions, such as reducing engine load, to prevent overheating‌

4.Diagnostics‌: Abnormal EGT readings can indicate issues like a failing turbocharger, clogged exhaust, or fuel system problems, aiding in troubleshooting‌

 

The sensor is typically installed in the exhaust manifold, turbocharger outlet, or DPF inlet, and its data is transmitted to the vehicle’s onboard computer for analysis and control‌