OBD Guide

P015D

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

P015D is an OBD-II diagnostic trouble code meaning: O2 Sensor Delayed Response - Lean to Rich Bank 2 Sensor 1. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Unstable idle
  • Dips during acceleration
  • Increased fuel consumption
  • Increased level of harmful emissions

How to Fix

  1. Check the oxygen sensor for contamination and physical damage
  2. Check the sensor circuit (wire harness, connectors)
  3. Test the oxygen sensor (with an oscilloscope or scanner)
  4. Check the system for air leaks
  5. Check the fuel system (pressure, injectors)
  6. Replace the oxygen sensor if necessary

Related codes

Error P015D by Vehicle Brand

FAQ

What does the P015D code mean?

P015D is an OBD-II diagnostic trouble code that indicates: O2 Sensor Delayed Response - Lean to Rich Bank 2 Sensor 1

How do I fix a P015D diagnostic trouble code?

To fix P015D: Check the oxygen sensor for contamination and physical damage. Check the sensor circuit (wire harness, connectors). Test the oxygen sensor (with an oscilloscope or scanner). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P015D?

Limited driving only, diagnose soon

How much does it cost to fix P015D?

The estimated repair cost for P015D is $33–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat