AutoCodes – Generic – P00EA

P00EA Code - Intake Air Temperature Sensor 3 Circuit Low Voltage

Quick Answer

The Intake Air Temperature (IAT) Sensor 3 is a variable resistor that changes an Engine Control Module (ECM) supplied 5 V signal. Common causes include Faulty Intake Air Temperature (IAT) Sensor 3 (Integrated with the Intake Manifold Pressure and Air Temperature Sensor), Intake Air Temperature Sensor 3 harness is open or shorted, Intake Air Temperature Sensor 3 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: P00EA indicates Intake Air Temperature Sensor 3 Circuit Low Voltage.
Common causes: Common causes include Faulty Intake Air Temperature (IAT) Sensor 3 (Integrated with the Intake Manifold Pressure and Air Temperature Sensor), Intake Air Temperature Sensor 3 harness is open or shorted, Intake Air Temperature Sensor 3 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 11,111

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 17, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P00EA Description

The Intake Air Temperature (IAT) Sensor 3 is a variable resistor that changes an Engine Control Module (ECM) supplied 5 V signal. The signal varies with intake manifold air temperature and is displayed by the scan tool as °C (°F). The IAT sensor 3 is integrated with the Manifold Absolute Pressure Sensor in the intake manifold. The ECM provides a ground for the IAT sensor 3 low reference circuit. The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the IAT sensor 3 signal is warmer than 149°C (300°F) for at least 5 s.

OBDII Code P00EA - Intake Air Temperature Sensor 3 Circuit Low Voltage - AutoCodes.com — P00EA Code - Intake Air Temperature Sensor 3 Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P00EA?

Faulty Intake Air Temperature (IAT) Sensor 3 (Integrated with the Intake Manifold Pressure and Air Temperature Sensor)
Intake Air Temperature Sensor 3 harness is open or shorted
Intake Air Temperature Sensor 3 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P00EA?

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 P00EA 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 P00EA code?

Need more information on how to fix the P00EA code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P00EA code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P00EA Buick — Intake Air Temperature Sensor 3 Circuit Low Voltage
P00EA Cadillac — Intake Air Temperature Sensor 3 Circuit Low Voltage
P00EA Chevrolet — Intake Air Temperature Sensor 3 Circuit Low Voltage
P00EA GMC — Intake Air Temperature Sensor 3 Circuit Low Voltage

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 P00EA Code

1. What are common symptoms of OBDII code P00EA (Intake Air Temperature Sensor 3 Circuit Low Voltage)?

- Common symptoms include poor engine performance, reduced fuel efficiency, and potential stalling or rough idling.

2. What are some possible causes of OBDII code P00EA?

- The code P00EA may be triggered by a faulty intake air temperature sensor, damaged wiring or connectors, or issues with the engine control module (ECM).

3. How can I diagnose the cause of OBDII code P00EA?

- To diagnose the cause of P00EA, you can use a scan tool to check for the code, inspect the intake air temperature sensor and its wiring, and test the sensor's voltage and resistance.

4. Can a dirty air filter trigger OBDII code P00EA?

- Yes, a dirty air filter can affect the intake air temperature readings, potentially leading to the triggering of code P00EA.

5. How can I repair OBDII code P00EA?

- Repairing P00EA may involve replacing the intake air temperature sensor, repairing or replacing damaged wiring, or resetting the ECM after fixing the underlying issue.

6. Is it safe to continue driving with OBDII code P00EA present?

- It is not recommended to drive with code P00EA present, as it can affect engine performance and fuel efficiency, potentially leading to further damage if left unresolved.

7. Can extreme weather conditions trigger OBDII code P00EA?

- Extreme weather conditions, such as very high or low temperatures, can impact the intake air temperature readings and potentially trigger code P00EA.

8. How much does it typically cost to repair OBDII code P00EA?

- The cost of repairing P00EA can vary depending on the cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Will resetting the OBDII system clear code P00EA?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing P00EA is not fixed, the code is likely to reappear.

10. Can a DIY enthusiast repair OBDII code P00EA at home?

- Depending on the skill level and tools available, DIY enthusiasts may be able to repair P00EA at home by following repair guides and using the necessary diagnostic equipment.