OBD Guide

P114D

Post Catalyst Fuel Trim Via Oxygen Sensor System Too Lean Bank 2

P114D is an OBD-II diagnostic trouble code meaning: Post Catalyst Fuel Trim Via Oxygen Sensor System Too Lean Bank 2. Common causes: air leak in the intake tract, malfunction of the oxygen sensor after the catalyst. Estimated repair cost: $17–111.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–111 (est.)

Symptoms

  • Increased fuel consumption
  • Reduced engine power
  • Unstable idling
  • Check Engine Light Is On
  • Possible misfires

Causes

  • Air leak in the intake tract
  • Malfunction of the oxygen sensor after the catalyst
  • Dirty or faulty fuel injectors
  • Low fuel pressure
  • Fuel pump malfunction

How to Fix

  1. Check the intake system for air leaks
  2. Check the functionality of the oxygen sensor after the catalyst
  3. Check the condition of the fuel injectors
  4. Check fuel pressure and serviceability of the fuel pump
  5. Check the condition of the catalytic converter

Related codes

FAQ

What does the P114D code mean?

P114D is an OBD-II diagnostic trouble code that indicates: Post Catalyst Fuel Trim Via Oxygen Sensor System Too Lean Bank 2

What causes a P114D error code?

The most common causes of P114D include: Air leak in the intake tract; Malfunction of the oxygen sensor after the catalyst; Dirty or faulty fuel injectors; Low fuel pressure.

How do I fix a P114D diagnostic trouble code?

To fix P114D: Check the intake system for air leaks. Check the functionality of the oxygen sensor after the catalyst. Check the condition of the fuel injectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P114D?

Yes, but get it checked soon

How much does it cost to fix P114D?

The estimated repair cost for P114D is $17–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat