OBD Guide

P2C65

O2 Sensor Out of Range During Deceleration Bank 1 Sensor 3

P2C65 is an OBD-II diagnostic trouble code meaning: O2 Sensor Out of Range During Deceleration Bank 1 Sensor 3. Common causes: bank 1 oxygen sensor malfunction, sensor 3, damage to the wiring to the sensor. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Slight deterioration in fuel consumption
  • Reduced engine power
  • Unstable idling
  • Dips when braking

Causes

  • Bank 1 oxygen sensor malfunction, sensor 3
  • Damage to the wiring to the sensor
  • Leaks in the exhaust system
  • Problems with the catalytic converter
  • Malfunctions in the fuel system

How to Fix

  1. Check the condition of the oxygen sensor and its connector
  2. Test the wiring to the sensor
  3. Check the exhaust system for leaks
  4. Replace the faulty oxygen sensor if necessary
  5. Diagnose the catalytic converter

Related codes

Error P2C65 by Vehicle Brand

FAQ

What does the P2C65 code mean?

P2C65 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Out of Range During Deceleration Bank 1 Sensor 3

What causes a P2C65 error code?

The most common causes of P2C65 include: Bank 1 oxygen sensor malfunction, sensor 3; Damage to the wiring to the sensor; Leaks in the exhaust system; Problems with the catalytic converter.

How do I fix a P2C65 diagnostic trouble code?

To fix P2C65: Check the condition of the oxygen sensor and its connector. Test the wiring to the sensor. Check the exhaust system for leaks. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2C65?

Yes, but get it checked soon

How much does it cost to fix P2C65?

The estimated repair cost for P2C65 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat