This is the Exhaust Gas Temperature (EGT) sensor located in the exhaust system before the Diesel Particulate Filter (DPF). This sensor provides critical temperature data to the Engine Control Unit (ECU) to correctly manage DPF regeneration cycles. These sensors operate in an extremely hot and harsh environment and can fail, sending incorrect readings or no signal at all.
A failed pre-DPF EGT sensor can prevent the DPF from regenerating, leading to a check engine light, the vehicle entering limp mode, and eventually a blocked DPF which is a very costly repair. Replacing a faulty sensor is essential to protect your DPF and ensure your engine runs correctly.
Please check vehicle fitment to confirm compatibility with your vehicle. Please contact us with your VIN details if you require further assistance to confirm fitment.
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