OBD Guide

P0114

Intake Air Temperature Sensor 1 Circuit Intermittent Bank 1

P0114 is an OBD-II diagnostic trouble code meaning: Intake Air Temperature Sensor 1 Circuit Intermittent Bank 1. Common causes: intake air temperature sensor malfunction, damage to the wiring or sensor connector. Estimated repair cost: $17–44.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–44 (est.)

Symptoms

  • Unstable engine operation at idle
  • Increased fuel consumption
  • Reduced engine power
  • Difficulty starting at low temperatures
  • Black smoke from the exhaust pipe
  • Periodic failures during acceleration

Causes

  • Intake air temperature sensor malfunction
  • Damage to the wiring or sensor connector
  • Oxidation or corrosion of contacts
  • Poor connection in the connector
  • Wiring harness damage
  • Engine control unit malfunction

How to Fix

  1. Read and record all error codes
  2. Check the condition of the IAT sensor connector
  3. Clean connector contacts from oxidation
  4. Check the integrity of the wiring from the sensor to the ECU
  5. Measure sensor resistance at different temperatures
  6. If necessary, replace the intake air temperature sensor
  7. Clear error codes and test drive

Related codes

Error P0114 by Vehicle Brand

FAQ

What does the P0114 code mean?

P0114 is an OBD-II diagnostic trouble code that indicates: Intake Air Temperature Sensor 1 Circuit Intermittent Bank 1

What causes a P0114 error code?

The most common causes of P0114 include: Intake air temperature sensor malfunction; Damage to the wiring or sensor connector; Oxidation or corrosion of contacts; Poor connection in the connector.

How do I fix a P0114 diagnostic trouble code?

To fix P0114: Read and record all error codes. Check the condition of the IAT sensor connector. Clean connector contacts from oxidation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0114?

Limited driving only, diagnose soon

How much does it cost to fix P0114?

The estimated repair cost for P0114 is $17–44. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat