OBD Guide

P2297

O2 Sensor Out of Range During Deceleration Bank 1 Sensor 1

P2297 is an OBD-II diagnostic trouble code meaning: O2 Sensor Out of Range During Deceleration Bank 1 Sensor 1. Common causes: malfunction of the oxygen sensor (lambda probe), open or short circuit in the sensor circuit. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Increased fuel consumption
  • Unstable engine idling
  • Loss of power during acceleration
  • Check Engine light comes on
  • Dips when braking

Causes

  • Malfunction of the oxygen sensor (lambda probe)
  • Open or short circuit in the sensor circuit
  • Sensor Grounding Problems
  • Engine vacuum leak
  • Sensor contamination due to oil or antifreeze leakage

How to Fix

  1. Check the condition and connection of the oxygen sensor
  2. Check the integrity of wires and connectors
  3. Test sensor resistance and voltage
  4. Clean or replace sensor if necessary
  5. Check engine for vacuum leaks

Related codes

Error P2297 by Vehicle Brand

FAQ

What does the P2297 code mean?

P2297 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Out of Range During Deceleration Bank 1 Sensor 1

What causes a P2297 error code?

The most common causes of P2297 include: Malfunction of the oxygen sensor (lambda probe); Open or short circuit in the sensor circuit; Sensor Grounding Problems; Engine vacuum leak.

How do I fix a P2297 diagnostic trouble code?

To fix P2297: Check the condition and connection of the oxygen sensor. Check the integrity of wires and connectors. Test sensor resistance and voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2297?

Yes, but get it checked soon

How much does it cost to fix P2297?

The estimated repair cost for P2297 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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