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Function of the EGT Sensor The Exhaust Gas Temperature (EGT) sensor monitors the temperature of exhaust gases in a vehicle's exhaust system. Key functions include: Engine Protection: Prevents overheating by alerting the Engine Control Unit (ECU) to adjust fuel injection, ignition timing, or ... Read More
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Maintenance and Replacement of Automotive ABS Sensors 1. Diagnosis and Preparation Fault Identification: ABS system failures typically trigger dashboard warnings (ABS/ESP lights) and may disable traction control or electronic stability programs. Common causes include sensor contamination (metal ... Read More
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**How a Car Blower Motor Works & Common Repairs** ### **1. Working Principle of a Car Blower Motor** The blower motor is a key component of a vehicle's HVAC (Heating, Ventilation, and Air Conditioning) system. It forces air through the system and into the cabin, enabling heating, cooling, and ... Read More
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Working Principle of an Automotive Exhaust Temperature Sensor The exhaust temperature sensor is a critical component in a vehicle's emissions control and engine management system. Its primary function is to monitor the temperature of exhaust gases exiting the engine, providing real-time data to ... Read More
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Core Function: The PM (Particulate Matter) sensor monitors the concentration of particulate matter in the exhaust system, providing critical data to the Engine Control Unit (ECU) for optimizing combustion efficiency and reducing emissions13. Detection Mechanism: Utilizing advanced electrochemic... Read More
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1. Introduction to NOx Sensors Nitrogen Oxide (NOx) sensors are critical components in modern vehicles, particularly those equipped with Selective Catalytic Reduction (SCR) and Exhaust Gas Recirculation (EGR) systems. They monitor NOx emissions to ensure compliance with environmental regulations (e... Read More
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1. Sensor structure and startup process Heating stage After the ignition switch is turned on, the sensor starts the self-heating program, first heating to 100℃ to activate the basic function6. Then wait for the ECU to send a "dew point temperature" (120℃) signal, and after confirming that there ... Read More
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How to Repair and Replace a Car Turbocharger A turbocharger is a key component that enhances engine performance by compressing air into the combustion chamber. Over time, it may require repair or replacement due to wear or damage. Here's a general guide: 1. Diagnosing Turbocharger Issues Before ... Read More
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Automobile SCR system: the "magician" for purifying exhaust gas With increasingly stringent environmental regulations, automobile exhaust emission control has become a top priority. Among the many exhaust after-treatment technologies, the SCR (selective catalytic reduction) system has become the ... Read More
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Maintenance of SCR post-treatment of automotive urea equipment With the national emission upgrade, the exhaust emissions of domestic heavy trucks have also improved. Since National Emission Standard for Quatri-fourth-generation Motor Vehicles period, urea has become one of the important issues that ... Read More
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