P2210

What it means

The bank 2 NOx sensor reports correctly some of the time but intermittently drops out. Often a marginal connector, a wiring chafe or a sensor that fails when warm.

Is it safe to drive?

This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly.

Most likely causes

• Connector intermittent

  high

  One of the most commonly reported causes for this code — check this first.

• Sensor fails when hot

  medium

  A plausible cause — test and verify before replacing parts.

• Harness routed against vibrating component

  low

  Less common, but worth ruling out after the more likely causes.

Related help

• Full P2210 diagnosis, causes & costs
• How to read check engine light codes
• Is it safe to drive with the light on?