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P0071 2017 Ford F150 Code - Ambient Air Temperature Sensor Circuit 'A' Range/Performance

Quick Answer

The P0071 code on a 2017 Ford F150 indicates a problem with the Ambient Air Temperature Sensor Circuit 'A' Range/Performance. Common causes include Faulty Ambient Air Temperature Sensor, Damaged or corroded wiring in the sensor circuit, ECM malfunction. 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 2017 Ford F150 indicates Ambient Air Temperature Sensor Circuit 'A' Range/Performance.
Common causes
Common causes include Faulty Ambient Air Temperature Sensor, Damaged or corroded wiring in the sensor circuit, ECM malfunction.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P0071 2017 Ford F150 Description

The P0071 code on a 2017 Ford F150 indicates a problem with the Ambient Air Temperature Sensor Circuit 'A' Range/Performance. This sensor is responsible for monitoring the temperature of the air outside the vehicle and relaying this information to the engine control module (ECM). The ECM uses this data to adjust fuel delivery and ignition timing to optimize engine performance and fuel efficiency. When the sensor circuit is not operating within the expected range or is performing inadequately, it can lead to various issues with the vehicle's operation.

OBDII Code P0071 2017 Ford F150 - Ambient Air Temperature Sensor Circuit 'A' Range/Performance
P0071 2017 Ford F150 Code - Ambient Air Temperature Sensor Circuit 'A' Range/Performance

Common Causes of P0071 2017 Ford F150

  1. Faulty Ambient Air Temperature Sensor
  2. Damaged or corroded wiring in the sensor circuit
  3. ECM malfunction
  4. Poor electrical connection to the sensor
  5. Extreme temperature fluctuations causing sensor malfunction

Symptoms of P0071 2017 Ford F150

  1. Check Engine Light illuminated
  2. Decreased fuel efficiency
  3. Rough idling or stalling
  4. Hesitation during acceleration
  5. Inaccurate outside temperature reading on the dashboard

How to Fix P0071 2017 Ford F150

  1. Begin by diagnosing the issue using a scan tool to retrieve the fault code and pinpoint the exact cause of the problem.
  2. Inspect the wiring and connections associated with the Ambient Air Temperature Sensor for any damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the Ambient Air Temperature Sensor itself to determine if it is functioning correctly. Replace the sensor if it is found to be faulty.
  4. Clear the fault code from the ECM using the scan tool and perform a test drive to ensure that the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to identify any underlying issues with the ECM or other related components.

Cost to Fix P0071 2017 Ford F150

The typical repair costs for addressing a P0071 code on a 2017 Ford F150 can vary depending on the specific cause of the issue. On average, replacing a faulty Ambient Air Temperature Sensor can cost between $50 and $100, while addressing wiring issues or an ECM malfunction may increase the total repair cost. Labor rates at auto repair shops can range from $80 to $150 per hour, with rates potentially higher in metropolitan areas or at dealerships. It is recommended to consult with a professional mechanic to obtain a more accurate estimate based on the specific circumstances of the vehicle and location.

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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 P0071 2017 Ford F150 Code

1. What are the common symptoms of OBDII code P0071 on a 2017 Ford F150?

The common symptoms of OBDII code P0071 on a 2017 Ford F150 include inaccurate temperature readings on the dashboard, poor fuel efficiency, and potential issues with the vehicle's climate control system.

2. What does the OBDII code P0071 for a 2017 Ford F150 indicate?

OBDII code P0071 for a 2017 Ford F150 indicates a fault with the Ambient Air Temperature Sensor Circuit 'A', specifically relating to range/performance issues.

3. What are the possible causes of OBDII code P0071 on a 2017 Ford F150?

Possible causes of OBDII code P0071 on a 2017 Ford F150 include a faulty ambient air temperature sensor, damaged wiring or connectors in the sensor circuit, or issues with the sensor's signal to the engine control module.

4. How can I diagnose the Ambient Air Temperature Sensor Circuit 'A' issue on my 2017 Ford F150?

To diagnose the Ambient Air Temperature Sensor Circuit 'A' issue on a 2017 Ford F150, you can use an OBDII scanner to read the trouble codes, visually inspect the sensor and its wiring for any visible damage, and perform a continuity test to check for proper electrical connections.

5. Can I still drive my 2017 Ford F150 with OBDII code P0071?

While it may be possible to drive your 2017 Ford F150 with OBDII code P0071, it is not recommended as the issue can affect the vehicle's performance and fuel efficiency. It is best to address the problem promptly to prevent further damage.

6. How can I repair OBDII code P0071 on my 2017 Ford F150?

To repair OBDII code P0071 on a 2017 Ford F150, you may need to replace the ambient air temperature sensor, repair any damaged wiring or connectors, and clear the trouble codes using an OBDII scanner.

7. Is it possible to reset OBDII code P0071 on a 2017 Ford F150 without repairing the issue?

While you can clear the trouble codes and reset OBDII code P0071 on a 2017 Ford F150 without repairing the underlying issue, the problem is likely to reappear if the root cause is not addressed.

8. How much does it cost to fix OBDII code P0071 on a 2017 Ford F150?

The cost to fix OBDII code P0071 on a 2017 Ford F150 can vary depending on the exact cause of the issue, but it may involve expenses for parts such as the ambient air temperature sensor and labor costs for professional repair services.

9. Can a DIY enthusiast repair OBDII code P0071 on a 2017 Ford F150?

A DIY enthusiast with the necessary tools and knowledge of automotive systems may be able to repair OBDII code P0071 on a 2017 Ford F150 by following repair guides, but it is recommended to consult with a professional mechanic for accurate diagnosis and repair.

10. How important is the Ambient Air Temperature Sensor in a 2017 Ford F150?

The Ambient Air Temperature Sensor in a 2017 Ford F150 plays a crucial role in providing accurate temperature readings for the vehicle's systems, contributing to proper engine performance, fuel efficiency, and climate control functions. Addressing issues with this sensor promptly is important for overall vehicle health.

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