TCgcl
NOX sensor error again despite cleaning - what to do?
(Translated from German)
Summary of the thread
The check engine light on a Seat Tarraco has reappeared due to a recurring NOX sensor error, despite previous cleaning and reinstallation of the sensor. The issue may stem from a faulty NOX sensor, loose or damaged wiring, or the need for a sensor replacement. It's suggested to inspect the wiring and connections first, and if necessary, replace the sensor and clear error codes with an OBD-II scanner to reset the system.
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3 comment(s)
TCgcl (community.author)
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It's possible that the NOX sensor itself is faulty and needs replacement. Before doing that, check the wiring and connections to ensure there are no loose or damaged wires. If everything looks fine, consider replacing the sensor. Let me know how it goes or if you have any further questions!
After cleaning the sensor, I decided to wait a while longer. If the error occurs again, I'll consider changing it. My only question is: do I need to put it in the car after the NOX sensor is changed? And is there a NOX sensor in my vehicle? because I have seen in some videos that there were two in the vehicles.
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CarlyMechanic
community_quotation:
community_author_wrote_on
After cleaning the sensor, I decided to wait a while longer. If the error occurs again, I'll consider changing it. My only question is: do I need to put it in the car after the NOX sensor is changed? And is there a NOX sensor in my vehicle? because I have seen in some videos that there were two in the vehicles.
Yes, your Seat Tarraco likely has two NOX sensors, one before and one after the catalytic converter. After replacing a NOX sensor, it's important to clear any error codes with an OBD-II scanner to reset the system. This will help ensure the new sensor is functioning correctly. If you have any further questions, feel free to ask!
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SEAT
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TARRACO
CarlyMechanic
It's possible that the NOX sensor itself is faulty and needs replacement. Before doing that, check the wiring and connections to ensure there are no loose or damaged wires. If everything looks fine, consider replacing the sensor. Let me know how it goes or if you have any further questions!