Code result
P2276
O2 Sensor Signal Biased/Stuck Lean
High severity
What it means
O2 sensor at bank 2 sensor 3 reports a lean reading suspiciously stable for too long. Sensor 3 is typically downstream of the second catalyst on systems with three-stage aftertreatment.
Is it safe to drive?
No — stop driving
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
highOne of the most commonly reported causes for this code — check this first.
Related help
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