jameshimmel5

Quest NOx Sensor Fault

I'm having trouble with the NOx sensor on my 2015 Nissan Quest with a gasoline engine. The check engine light is on, and the error code points to the sensor. I also found what looks like a bad cable or plug at the sensor. Anyone seen this before?

The issue involves a NOx sensor fault in a 2015 Nissan Quest, indicated by a check engine light and error code. A potential cause identified is a bad cable or plug at the sensor. The suggested solution is to have a technician diagnose and possibly replace the faulty sensor or connection.

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4 comment(s)

I also drive a Nissan Quest and had exhaust issues. Is the car running normally, or is there any jolting or reduced power? Can you smell exhaust fumes inside?

Thanks! The engine seems fine, no power loss. I don't smell any exhaust inside. Can you tell me more about the problem you had with your Quest?

My symptoms were similar: check engine light, NOx sensor codes, and a slight exhaust smell. Your suspicion about the sensor connection is probably right. I had to take mine to a shop for diagnosis and replacement. Best to get it checked.

Thanks for the advice. I'll get it checked by a technician to address the NOx sensor. I looked around and the repair should be about 95€. Thanks again!

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NISSAN

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QUEST