AutoCodes – Acura – P0098 Acura

P0098 Acura Code - Intake Air Temperature Sensor 2 Circuit High Voltage

Quick Answer

The Intake Air Temperature (IAT) Sensor 2 is a thermistor that detects intake air temperature, and it is used for air/fuel ratio feedback control to compensate for the atmospheric density fluctuations that accompany changes in intake air temperature. Common causes include Faulty Intake Air Temperature Sensor 2, Intake Air Temperature Sensor 2 harness is open or shorted, Intake Air Temperature Sensor 2 circuit poor electrical connection. 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
P0098 Acura indicates Intake Air Temperature Sensor 2 Circuit High Voltage.
Common causes
Common causes include Faulty Intake Air Temperature Sensor 2, Intake Air Temperature Sensor 2 harness is open or shorted, Intake Air Temperature Sensor 2 circuit poor electrical connection.
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 9,190
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 09, 2023
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Code P0098 Acura Description

The Intake Air Temperature (IAT) Sensor 2 is a thermistor that detects intake air temperature, and it is used for air/fuel ratio feedback control to compensate for the atmospheric density fluctuations that accompany changes in intake air temperature. IAT Sensor 2 resistance varies depending on temperature. The output voltage and the sensor resistance increase as the intake air temperature decreases. Conversely, the output voltage and the sensor resistance decrease as the intake air temperature increases. If the IAT sensor 2 output voltage is specified value, the Powertrain Control Module (PCM) detects a malfunction and stores a Diagnostic Trouble Code (DTC).
OBDII Code P0098 Acura - Intake Air Temperature Sensor 2 Circuit High Voltage - AutoCodes.com
P0098 Acura Code - Intake Air Temperature Sensor 2 Circuit High Voltage

What are the Possible Causes of the DTC P0098 Acura?

  • Faulty Intake Air Temperature Sensor 2
  • Intake Air Temperature Sensor 2 harness is open or shorted
  • Intake Air Temperature Sensor 2 circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)

How to Fix the DTC P0098 Acura?

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 P0098 Acura 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 P0098 Acura code?

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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 P0098 Acura Code

1. What are the common symptoms of OBDII code P0098 in an Acura related to the Intake Air Temperature Sensor 2 Circuit High Voltage?

A: Common symptoms include poor engine performance, rough idling, decreased fuel efficiency, and potential stalling.

2. What can cause OBDII code P0098 to trigger in an Acura?

A: The code is typically triggered by a faulty intake air temperature sensor, damaged wiring or connectors, or issues with the sensor circuit.

3. How can I diagnose the Intake Air Temperature Sensor 2 Circuit High Voltage issue in my Acura?

A: Use a multimeter to test the sensor's resistance, check for damaged wiring, and ensure proper connection to the sensor and ECM.

4. Can driving with OBDII code P0098 in an Acura cause further damage?

A: Continuing to drive with this issue can potentially lead to engine damage or poor performance, so it's advisable to address the problem promptly.

5. What are some repair tips for resolving OBDII code P0098 in an Acura?

A: Start by inspecting the sensor and its connections for any visible damage, then replace the sensor if necessary. Ensure all wiring is intact and properly connected.

6. Is it safe to reset the OBDII code P0098 in my Acura without fixing the underlying issue?

A: It is not recommended to simply reset the code without addressing the root cause, as the problem may persist and potentially lead to more severe issues.

7. Can a DIY enthusiast fix the Intake Air Temperature Sensor 2 Circuit High Voltage problem in an Acura?

A: Yes, if you have the necessary tools and knowledge, you can replace the sensor and check the wiring yourself. However, if you're unsure, it's best to consult a professional mechanic.

8. How much does it typically cost to repair OBDII code P0098 related to the Intake Air Temperature Sensor in an Acura?

A: The cost can vary depending on the exact cause of the issue, but replacing the sensor and addressing any wiring problems may range from $100 to $300, including parts and labor.

9. Will fixing OBDII code P0098 improve my Acura's performance and fuel efficiency?

A: Yes, resolving this issue should lead to improved engine performance, smoother idling, better fuel efficiency, and overall smoother operation of your vehicle.

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