Code result
P2C65
O2 Sensor Out of Range During Deceleration Bank 1 Sensor 3
Moderate severity
What it means
The wide-band oxygen sensor on bank 1 sensor 3 reports a out of range during deceleration condition. Lambda regulation accuracy is impaired.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Sensor unable to follow oxygen spike during fuel cut
highOne of the most commonly reported causes for this code — check this first.
Sensor response time degraded with age
mediumA plausible cause — test and verify before replacing parts.
Related help
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