OBD Guide

B262A

Exhaust Gas Sensor

B262A is an OBD-II diagnostic trouble code meaning: Exhaust Gas Sensor. Common causes: exhaust gas sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Increased fuel consumption
  • Reduced engine power
  • Unstable idle
  • Check Engine Light Illuminates

Causes

  • Exhaust gas sensor malfunction
  • Open or short circuit in wiring harness
  • Poor contact in the sensor connector
  • Mechanical damage to the sensor
  • Problems with the exhaust system

How to Fix

  1. Check the integrity of the wiring harness and sensor connectors
  2. Measure the resistance and voltage of the sensor
  3. Check the operation of the exhaust system
  4. Replace the faulty sensor if necessary
  5. Reset the error and check the system operation

Related codes

FAQ

What does the B262A code mean?

B262A is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Sensor

What causes a B262A error code?

The most common causes of B262A include: Exhaust gas sensor malfunction; Open or short circuit in wiring harness; Poor contact in the sensor connector; Mechanical damage to the sensor.

How do I fix a B262A diagnostic trouble code?

To fix B262A: Check the integrity of the wiring harness and sensor connectors. Measure the resistance and voltage of the sensor. Check the operation of the exhaust system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B262A?

Limited driving only, diagnose soon

How much does it cost to fix B262A?

The estimated repair cost for B262A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat