OBD Guide

P014A

O2 Sensor Delayed Response - Rich to Lean Bank 2 Sensor 2

P014A is an OBD-II diagnostic trouble code meaning: O2 Sensor Delayed Response - Rich to Lean Bank 2 Sensor 2. Common causes: oxygen sensor dirty, sensor circuit malfunction. 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
  • Unstable engine operation
  • Increased emissions
  • Check Engine Light Illuminates

Causes

  • Oxygen sensor dirty
  • Sensor circuit malfunction
  • Leaks in the exhaust system
  • Problems with the fuel system
  • Malfunction of the catalytic converter

How to Fix

  1. Check the status of the Bank 2 Sensor 2 oxygen sensor
  2. Check the integrity of the wiring harness and sensor connector
  3. Check the exhaust system for leaks
  4. Check the operation of the fuel system
  5. If necessary, replace the oxygen sensor

Related codes

Error P014A by Vehicle Brand

FAQ

What does the P014A code mean?

P014A is an OBD-II diagnostic trouble code that indicates: O2 Sensor Delayed Response - Rich to Lean Bank 2 Sensor 2

What causes a P014A error code?

The most common causes of P014A include: Oxygen sensor dirty; Sensor circuit malfunction; Leaks in the exhaust system; Problems with the fuel system.

How do I fix a P014A diagnostic trouble code?

To fix P014A: Check the status of the Bank 2 Sensor 2 oxygen sensor. Check the integrity of the wiring harness and sensor connector. Check the exhaust system for leaks. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P014A?

Limited driving only, diagnose soon

How much does it cost to fix P014A?

The estimated repair cost for P014A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat