NOx sensor Iveco Stralis II 8.7

The Iveco code 5801754014 identifies a NOx sensor for the exhaust gas treatment system. The component is used to measure the concentration of nitrogen oxides present in the exhaust gases and to send the measured value to the engine control unit or the post-treatment control unit.

The sensor operates within the Euro 6 emissions system, together with the DPF, SCR catalyst and AdBlue/urea system, mounted downstream of the exhaust system, therefore after the particulate filter or in the area following the main gas treatment.

Its function is fundamental to verify the efficiency of the SCR system and to check whether the reduction of NOx occurs correctly. A sensor failure can cause the check engine light to come on, emission warnings, torque limitation, recovery mode and problems related to the AdBlue system.

Technical specifications

• Type: NOx sensor/nitrogen oxides sensor
• Function: Euro 6 exhaust gas treatment
• System voltage: 24 V

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Functions

• Measures the concentration of nitrogen oxides present in the exhaust gases.
• Sends an electronic signal to the control unit regarding the detected NOx value.
• Allows the control unit to monitor the efficiency of the SCR catalyst.
• Helps verify whether the AdBlue dosing is correct in relation to the measured emissions.
• Contributes to compliance with Euro 6 regulations for Iveco commercial vehicles.
• Enables comparison between expected and actual emissions.
• Can work together with a second NOx sensor mounted in a different position on the exhaust.
• Supports emission reduction strategies during driving, full load and regenerations.

Model applications

• Iveco Stralis

Common faults

• NOx sensor not communicating with the CAN-BUS network.
• Check engine light on.
• Emissions warning or AdBlue alert active.
• Engine in recovery mode with torque limitation.

Final conclusions

The Iveco 5801754014 NOx sensor is a component of the Euro 6 emissions system used for controlling nitrogen oxides in the exhaust gases. It is connected to the SCR/AdBlue system and is generally identified as a downstream NOx sensor, mounted after the particulate filter or in the area following the main exhaust gas treatment.

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