victoriameyer3

Oxygen Sensor Issue NBox

Hi, I'm having some trouble with my 2015 Honda NBox gasoline. The check engine light is on, and the error memory indicates an issue with the oxygen sensor. I've also observed higher fuel consumption. The car has 203435 km on it. Could a defective cable or plug connection be the cause? Anyone else experienced this?

A 2015 Honda NBox is experiencing a check engine light and increased fuel consumption, with error codes pointing to an oxygen sensor issue. Possible causes include a defective cable or plug connection, or a failing oxygen sensor. The solution involves diagnosing the problem at a workshop, where a faulty O2 sensor and corroded connector were identified and replaced, resolving the issue.

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4 comment(s)

I've seen similar problems with my NBox. Check engine light, same error code, and a noticeable dip in fuel economy. I would suspect a bad connection or the sensor itself is failing. Is the air-fuel ratio all over the place?

I haven't checked the air-fuel ratio specifically, but I suspect it's off given the fuel consumption. Did you also have issues with the exhaust sensor readings? And how did you solve it?

Yes, the exhaust sensor readings were erratic. I ended up having it diagnosed at a workshop. Turned out to be a faulty O2 sensor, including a corroded connector. They replaced the sensor, cleaned up the connector, and the problem was solved. Just go to the workshop!

Thanks for the advice. I had it checked, and indeed it was the O2 sensor and a corroded connection, just like you said. Replaced and repaired for 95€. Runs like new!

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HONDA

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NBOX