P2274

What it means

O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 3): the control module has detected this fault condition.

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

• Sensor aged or contaminated

  high

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

Related help

• Full P2274 diagnosis, causes & costs
• How to read check engine light codes
• Is it safe to drive with the light on?