Can NOx Sensors Be Repaired?

If the cleaning method above didn’t solve the problem, another alternative to consider is whether it’s worthwhile to repair, rather than replace, the NOx Sensor.

Although it’s often not easy to pinpoint precisely where the issue lies to be sure it’ll resolve the problem, you’re able to replace a faulty sensor probe with some wiring knowledge using various guides online.

However, we’d recommend either getting someone to do it for you or just purchasing a new off-the-shelf sensor to save the inconvenience for those that lack experience when it comes to wiring, especially if you’re not positive that it’s the cause of the issue.