OBD Guide

P2414

O2 Sensor Exhaust Sample Error Bank 1 Sensor 1

P2414 is an OBD-II diagnostic trouble code meaning: O2 Sensor Exhaust Sample Error Bank 1 Sensor 1. Common causes: mechanical damage to the oxygen sensor, sensor contamination (oil, carbon deposits). Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Increased fuel consumption
  • Deterioration in acceleration dynamics
  • Unstable engine operation at idle
  • Increased level of harmful emissions

Causes

  • Mechanical damage to the oxygen sensor
  • Sensor contamination (oil, carbon deposits)
  • Damage to the sensor electrical circuit
  • Sensor connector faulty
  • Exhaust system problems (leaks)

How to Fix

  1. Check the condition of the oxygen sensor for damage
  2. Clean the sensor from dirt (if possible)
  3. Check the integrity of the electrical circuit and connector
  4. Replace the oxygen sensor if necessary
  5. Check the exhaust system for leaks

Related codes

Error P2414 by Vehicle Brand

FAQ

What does the P2414 code mean?

P2414 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Exhaust Sample Error Bank 1 Sensor 1

What causes a P2414 error code?

The most common causes of P2414 include: Mechanical damage to the oxygen sensor; Sensor contamination (oil, carbon deposits); Damage to the sensor electrical circuit; Sensor connector faulty.

How do I fix a P2414 diagnostic trouble code?

To fix P2414: Check the condition of the oxygen sensor for damage. Clean the sensor from dirt (if possible). Check the integrity of the electrical circuit and connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2414?

Yes, but get it checked soon

How much does it cost to fix P2414?

The estimated repair cost for P2414 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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