AutoCodes – Infiniti – P0110 Infiniti

P0110 Infiniti Code - Intake Air Temperature Sensor Signal Range/Performance

Quick Answer

The Intake Air Temperature (IAT) sensor is built into mass air flow sensor or in some vehicles mounted to the air filter duct housing. Common causes include Faulty Intake Air Temperature (IAT) sensor, Dirty air filter, Intake Air Temperature (IAT) sensor harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0110 Infiniti indicates Intake Air Temperature Sensor Signal Range/Performance.
Common causes
Common causes include Faulty Intake Air Temperature (IAT) sensor, Dirty air filter, Intake Air Temperature (IAT) sensor harness is open or shorted.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 17,476
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0110 Infiniti Description

The Intake Air Temperature (IAT) sensor is built into mass air flow sensor or in some vehicles mounted to the air filter duct housing. The sensor detects intake air temperature and transmits a signal to the Engine Control Module (ECM). The temperature sensing unit uses a thermistor which is sensitive to the change in temperature. Electrical resistance of the thermistor decreases in response to the temperature rise. The Intake Air Temperature signal is used as an input for various systems in the vehicle.
OBDII Code P0110 Infiniti - Intake Air Temperature Sensor Signal Range/Performance - AutoCodes.com
P0110 Infiniti Code - Intake Air Temperature Sensor Signal Range/Performance

What are the Possible Causes of the DTC P0110 Infiniti?

  • Faulty Intake Air Temperature (IAT) sensor
  • Dirty air filter
  • Intake Air Temperature (IAT) sensor harness is open or shorted
  • Intake Air Temperature (IAT) sensor circuit poor electrical connection

How to Fix the DTC P0110 Infiniti?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0110 Infiniti code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0110 Infiniti code?

Need more information on how to fix the P0110 Infiniti code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0110 Infiniti code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0110 Infiniti Code

1. What are the common symptoms of OBDII code P0110 in an Infiniti related to the Intake Air Temperature Sensor Signal Range/Performance?

The common symptoms include poor fuel economy, rough idling, engine stalling, and a decrease in overall engine performance.

2. What are the potential causes of the P0110 code in an Infiniti?

Potential causes include a faulty intake air temperature sensor, damaged wiring or connectors, a dirty air filter, or issues with the intake air temperature sensor circuit.

3. How can I diagnose the P0110 code in my Infiniti?

You can diagnose the code by using an OBDII scanner to retrieve the specific code, inspecting the intake air temperature sensor and its connections, and testing the sensor's resistance with a multimeter.

4. Are there any DIY repair tips for fixing the P0110 code in an Infiniti?

DIY repair tips include checking and cleaning the air filter, inspecting and cleaning the sensor connections, and replacing the intake air temperature sensor if necessary.

5. Can driving with the P0110 code in an Infiniti cause further damage?

Continuing to drive with the P0110 code may lead to decreased fuel efficiency, potential engine misfires, and further damage to engine components over time.

6. How much does it typically cost to repair the P0110 code in an Infiniti at a mechanic or dealership?

The cost of repairing the P0110 code can vary depending on the exact cause, but it may range from $100 to $300 for parts and labor.

7. Will resetting the OBDII code P0110 in an Infiniti make the issue go away?

Resetting the code may temporarily turn off the check engine light, but if the underlying issue causing the P0110 code is not addressed, the code is likely to reappear.

8. Is it safe to drive my Infiniti with the P0110 code if the symptoms are not severe?

It is generally not recommended to drive with the P0110 code present, as it can lead to decreased performance and potential damage to other engine components.

9. How long does it typically take to repair the P0110 code in an Infiniti?

The repair time can vary depending on the exact cause and the availability of parts, but it may take anywhere from 1 to 3 hours to diagnose and fix the issue.

10. Can a faulty intake air temperature sensor cause other OBDII codes to appear in an Infiniti?

Yes, a faulty intake air temperature sensor can cause related codes to appear, such as P0111 (Intake Air Temperature Sensor Circuit Range/Performance) or P0112 (Intake Air Temperature Sensor Circuit Low Input).

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