OBD Guide

P014F

O2 Sensor Slow Response - Lean to Rich Bank 2 Sensor 1

P014F is an OBD-II diagnostic trouble code meaning: O2 Sensor Slow Response - Lean to Rich Bank 2 Sensor 1. Common causes: oxygen sensor malfunction, sensor contamination. 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
  • Deterioration in dynamics
  • Unstable idle
  • Dips during acceleration

Causes

  • Oxygen sensor malfunction
  • Sensor contamination
  • Problems in the sensor circuit
  • Air leaks in the intake tract
  • Fuel system malfunctions

How to Fix

  1. Check the condition of the oxygen sensor
  2. Check the sensor circuit for opens and shorts
  3. Check the intake tract for air leaks
  4. Check the fuel system (pressure, injectors)
  5. Replace the oxygen sensor if necessary

Related codes

Error P014F by Vehicle Brand

FAQ

What does the P014F code mean?

P014F is an OBD-II diagnostic trouble code that indicates: O2 Sensor Slow Response - Lean to Rich Bank 2 Sensor 1

What causes a P014F error code?

The most common causes of P014F include: Oxygen sensor malfunction; Sensor contamination; Problems in the sensor circuit; Air leaks in the intake tract.

How do I fix a P014F diagnostic trouble code?

To fix P014F: Check the condition of the oxygen sensor. Check the sensor circuit for opens and shorts. Check the intake tract for air leaks. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P014F?

Limited driving only, diagnose soon

How much does it cost to fix P014F?

The estimated repair cost for P014F is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat