P0114: Intake Air Temperature Circuit Intermittent
Can you still drive? Yes, this is a low-severity intermittent issue. Your car will run fine most of the time.
What Does P0114 Mean?
Code P0114 indicates that the intake air temperature sensor signal is erratic or cutting in and out. The ECU detects sudden jumps or drops in the IAT reading that are not consistent with actual air temperature changes. This is most often a wiring or connector issue rather than a sensor failure.
Need to read your codes?
An OBD-II scanner lets you read and clear diagnostic trouble codes from your vehicle's computer. Most scanners work with any car made after 1996.
Browse OBD-II Scanners on AmazonCommon Causes
- Loose IAT sensor connector
- Corroded wiring terminals
- Chafed IAT sensor wiring
- Failing IAT sensor
Symptoms
- Check engine light on
- Occasional rough idle
- Slight hesitation on acceleration
- Intermittent poor fuel economy
Diagnostic Steps
- 1Read and document freeze frame data
- 2Wiggle the IAT sensor connector while monitoring live data
- 3Inspect wiring for chafing or breaks
- 4Clean connector terminals with electrical contact cleaner
- 5Replace IAT sensor if the intermittent fault persists
Recommended Parts & Tools
intake air temperature sensor
electrical contact cleaner
Estimated Repair Cost
| Type | Estimated Cost |
|---|---|
| Total Repair Cost Range | $10 - $150 |
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Chat with AI About P0114Commonly Affected Vehicles
Related Recalls
1 Active Recall — 2026 Toyota Corolla
The following NHTSA safety recalls have been issued for this vehicle. Contact your dealer to check if your vehicle is affected.
EXTERIOR LIGHTING:HEADLIGHTS
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2026 Corolla vehicles. The front headlights may have missing headlight aim markings, which can result in improperly aimed headlights during service. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Remedy: Dealers will replace both front headlight assemblies, free of charge. Owner notification letters are expected to be mailed April 12, 2026. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's number for this recall is 26TA05.
Data provided by the National Highway Traffic Safety Administration (NHTSA).
Frequently Asked Questions
Why does P0114 appear and disappear?
P0114 is an intermittent code, meaning the connection to the IAT sensor is unstable. Vibrations, temperature changes, or corrosion can cause the signal to drop in and out.
Can I fix P0114 myself?
Yes, this is one of the easiest codes to diagnose. Start by cleaning the IAT sensor connector and checking for loose wiring. The sensor itself is inexpensive and easy to replace.
Community Fix Reports
Community reports are user-submitted and not verified by Auto AI Buddy. Results may vary.
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