AutoCodes – Mitsubishi – P0071 Mitsubishi

P0071 Mitsubishi Code - Ambient Air Temperature Sensor Performance

Quick Answer

The Powertrain Control Module (PCM) monitors the Ambient Air Temperature Sensor. Common causes include Faulty ambient air temperature sensor, Ambient air temperature sensor harness is open or shorted, Ambient air temperature sensor 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: P0071 Mitsubishi indicates Ambient Air Temperature Sensor Performance.
Common causes: Common causes include Faulty ambient air temperature sensor, Ambient air temperature sensor harness is open or shorted, Ambient air temperature sensor 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 6,837

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Oct 25, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0071 Mitsubishi Description

The Powertrain Control Module (PCM) monitors the Ambient Air Temperature Sensor. The PCM sets the OBDII code when the Ambient Air Temperature Sensor is not to factory specifications.

OBDII Code P0071 Mitsubishi - Ambient Air Temperature Sensor Performance - AutoCodes.com — P0071 Mitsubishi Code - Ambient Air Temperature Sensor Performance

What does this mean?

What are the Possible Causes of the DTC P0071 Mitsubishi?

Faulty ambient air temperature sensor
Ambient air temperature sensor harness is open or shorted
Ambient air temperature sensor circuit poor electrical connection

How to Fix the DTC P0071 Mitsubishi?

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 P0071 Mitsubishi 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 P0071 Mitsubishi code?

Need more information on how to fix the P0071 Mitsubishi code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0071 Mitsubishi 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 P0071 Mitsubishi Code

1. What are the common symptoms of OBDII code P0071 in a Mitsubishi related to the Ambient Air Temperature Sensor Performance?

- Common symptoms include inaccurate temperature readings on the dashboard, issues with the air conditioning system, and potential impact on fuel economy.

2. What typically causes the OBDII code P0071 in a Mitsubishi related to the Ambient Air Temperature Sensor Performance?

- This code is often triggered by a faulty ambient air temperature sensor, wiring issues, or a problem with the sensor's connection to the vehicle's ECM.

3. How can I diagnose the cause of OBDII code P0071 in my Mitsubishi related to the Ambient Air Temperature Sensor Performance?

- A thorough inspection of the ambient air temperature sensor, its wiring, and connections, along with testing the sensor's resistance and voltage output can help diagnose the issue.

4. Can driving with OBDII code P0071 related to the Ambient Air Temperature Sensor Performance cause further damage to my Mitsubishi?

- While driving with this code may not cause immediate damage, it can lead to poor performance, reduced fuel efficiency, and potential issues with the vehicle's air conditioning system.

5. Are there any DIY repair tips for resolving OBDII code P0071 in a Mitsubishi related to the Ambient Air Temperature Sensor Performance?

- DIY repair tips may include checking and cleaning the sensor's connection, inspecting the sensor for damage, and replacing the sensor if necessary. However, it's recommended to consult a professional for accurate diagnosis and repair.

6. What is the typical cost to repair OBDII code P0071 in a Mitsubishi related to the Ambient Air Temperature Sensor Performance?

- The cost of repair can vary depending on the exact cause of the issue. Replacing the ambient air temperature sensor or addressing wiring problems may cost anywhere from $100 to $300 at a repair shop.

7. Can resetting the OBDII code P0071 related to the Ambient Air Temperature Sensor Performance resolve the issue in my Mitsubishi?

- Resetting the code may temporarily clear the dashboard warning light, but if the underlying issue with the ambient air temperature sensor is not fixed, the code is likely to reappear.

8. How important is it to address OBDII code P0071 related to the Ambient Air Temperature Sensor Performance promptly in my Mitsubishi?

- Addressing this code promptly is recommended to ensure accurate temperature readings, optimal vehicle performance, and to prevent potential issues with the air conditioning system.