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P0114

Intake Air Temperature Sensor 1 Circuit Intermittent Bank 1

Fuel & air metering Generic OBD-II Low

What it means

P0114 means the intake air temperature (IAT) sensor signal on bank 1 is cutting out or jumping erratically rather than reading steadily. The ECM uses intake air temperature to fine-tune fueling and timing, so the effect on driving is usually minor. An intermittent fault like this most often traces to a loose connector or a chafed wire.

Low

Can I keep driving? Safe to drive in practice — effects are usually minor (small changes in economy or smoothness); the intermittent signal is worth fixing but rarely leaves you stranded.

Real-world scan data

Seen in
247
scans in the past year
Found in
<0.1%
of scans
0.1%
of scans that found faults

Appears alongside · share of P0114 scans

P0645in 44.1% of scans
P1A6Ein 36.4% of scans
P0504in 27.1% of scans

Figures reflect only diagnostic scans recorded through our own apps and tools. Cars are typically scanned because a symptom or warning light prompted it, so these counts describe our scan records — not the incidence of faults in any model, and not the quality, reliability, or safety of any vehicle. No comparison between manufacturers or models is implied. All trademarks belong to their respective owners; no affiliation or endorsement is implied.

Common symptoms

What you'll notice

Common causes

Most likely first

  1. Loose or corroded intake air temperature sensor connector (most common for an intermittent fault)
  2. Chafed, broken, or intermittently shorting signal wire
  3. Faulty intake air temperature sensor
  4. Less commonly, an ECM/PCM fault

How to diagnose & fix

Work through it in order

  1. Scan and monitor the live intake air temperature value while wiggle-testing the connector and harness for signal dropouts.
  2. Clean and reseat the sensor connector; repair any corroded terminals.
  3. Inspect the signal wiring for chafing or intermittent shorts.
  4. Replace the intake air temperature sensor if the reading cuts out, then clear and retest.

FAQ

Quick answers

Is it safe to drive with P0114?+
Yes. The intake air temperature sensor only fine-tunes fueling, so an intermittent fault has little effect on driving. Fix it at your convenience.
Can I just clear P0114?+
You can, but an intermittent fault usually returns. Because it comes and goes, focus on finding the loose connector or chafed wire behind it.

Related codes

Read & clear P0114 yourself

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Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX