OBD Guide
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P113D

Oxygen Sensor 1/1 Slow Response

P113D is an OBD-II diagnostic trouble code meaning: Oxygen Sensor 1/1 Slow Response. Common causes: worn oxygen sensor, sensor contamination (oil, antifreeze). Estimated repair cost: $17–56.

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

Symptoms

  • Unstable engine idling
  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Illuminates
  • Dips during acceleration

Causes

  • Worn oxygen sensor
  • Sensor contamination (oil, antifreeze)
  • Problems with wiring to the sensor
  • Leaks in the exhaust system
  • Sensor heating element malfunction

How to Fix

  1. Check the condition of the oxygen sensor
  2. Check the integrity of wiring and connectors
  3. Check the exhaust system for leaks
  4. Clean or replace the oxygen sensor
  5. Reset the error and check the system operation

Related codes

P1135P1137P1138

FAQ

What does the P113D code mean?

P113D is an OBD-II diagnostic trouble code that indicates: Oxygen Sensor 1/1 Slow Response

What causes a P113D error code?

The most common causes of P113D include: Worn oxygen sensor; Sensor contamination (oil, antifreeze); Problems with wiring to the sensor; Leaks in the exhaust system.

How do I fix a P113D diagnostic trouble code?

To fix P113D: Check the condition of the oxygen sensor. Check the integrity of wiring and connectors. Check the exhaust system for leaks. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P113D?

Yes, but get it checked soon

How much does it cost to fix P113D?

The estimated repair cost for P113D is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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