Engine-Codes.com
Engine-Codes – Ford – P0186 Ford

P0186 Ford Code - Engine Fuel Temperature Sensor 'B' Circuit Range/ Performance

Quick Answer

The P0186 code for Ford vehicles indicates a problem with the Engine Fuel Temperature Sensor 'B' Circuit Range/Performance. Common causes include Faulty Engine Fuel Temperature Sensor, Wiring or connection issues related to the sensor, Corrosion or damage to the sensor. 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
P0186 Ford indicates Engine Fuel Temperature Sensor 'B' Circuit Range/ Performance.
Common causes
Common causes include Faulty Engine Fuel Temperature Sensor, Wiring or connection issues related to the sensor, Corrosion or damage to the sensor.
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 Aug 30, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0186 Ford Description

The P0186 code for Ford vehicles indicates a problem with the Engine Fuel Temperature Sensor 'B' Circuit Range/Performance. This sensor is responsible for monitoring the temperature of the fuel in the engine's fuel system. If the sensor detects a range or performance issue, it can lead to various issues with the vehicle's fuel system and overall performance.

OBDII Code P0186 Ford - Engine Fuel Temperature Sensor 'B' Circuit Range/ Performance
P0186 Ford Code - Engine Fuel Temperature Sensor 'B' Circuit Range/ Performance

Common Causes of P0186 Ford

  1. Faulty Engine Fuel Temperature Sensor
  2. Wiring or connection issues related to the sensor
  3. Corrosion or damage to the sensor
  4. Issues with the fuel system's temperature control module
  5. Engine computer (ECU) malfunction

Symptoms of P0186 Ford

  1. Decreased fuel efficiency
  2. Rough idling
  3. Hesitation during acceleration
  4. Engine stalling
  5. Check Engine Light illuminated

How to Fix P0186 Ford

  1. Diagnose the issue by using a scan tool to pinpoint the exact cause of the problem.
  2. Inspect the wiring and connections related to the Engine Fuel Temperature Sensor for any signs of damage or corrosion.
  3. Test the sensor itself to determine if it is functioning correctly or needs replacement.
  4. Replace the faulty sensor if necessary and reset the error code using a scan tool.
  5. Test drive the vehicle to ensure the issue has been resolved and the Check Engine Light does not reappear.

Cost to Fix P0186 Ford

The cost of repairing a P0186 code for Ford vehicles can vary depending on the specific cause of the issue and the location of the repair. On average, the repair costs for this type of issue can range from $100 to $300, including parts and labor. It's important to keep in mind that labor rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple shops to find the best price for the repair.

When is the Code Detected?

An excessively high or low voltage is sent to Powertrain Control Module (PCM) by the Engine Fuel Temperature (EFT) Sensor.

Need more information about the P0186 Ford code?

Need more information on how to fix the P0186 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0186 Ford code diagnosed by a professional: Find a repair shop in your area

Information for Specific Ford Models

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 P0186 Ford Code

1. What are the common symptoms of OBDII code P0186 in a Ford vehicle?

The common symptoms of code P0186 include poor fuel economy, rough idle, engine stalling, and the Check Engine light illuminating on the dashboard.

2. What does the OBDII code P0186 indicate in a Ford vehicle?

Code P0186 indicates an issue with the Engine Fuel Temperature Sensor 'B' circuit, specifically a range or performance problem.

3. What are the possible causes of OBDII code P0186 in a Ford vehicle?

Common causes of code P0186 in a Ford vehicle include a faulty fuel temperature sensor, wiring issues in the sensor circuit, a defective sensor connector, or a problem with the sensor's signal.

4. How can I diagnose the OBDII code P0186 in my Ford vehicle?

Diagnosing code P0186 involves using a scan tool to read the code, checking the sensor's wiring and connector for any damage, testing the sensor's resistance, and ensuring proper sensor operation.

5. Can I drive my Ford vehicle with OBDII code P0186?

It is not recommended to drive your Ford vehicle with code P0186 present, as it can lead to potential engine performance issues and further damage if left unresolved.

6. How can I repair OBDII code P0186 in my Ford vehicle?

Repairing code P0186 involves replacing the faulty fuel temperature sensor, repairing any damaged wiring or connectors, and clearing the code with a scan tool.

7. Are there any DIY tips for fixing OBDII code P0186 in a Ford vehicle?

While some DIY enthusiasts may attempt to replace the fuel temperature sensor themselves, it is recommended to consult a professional mechanic for accurate diagnosis and repair.

8. How much does it cost to fix OBDII code P0186 in a Ford vehicle?

The cost of fixing code P0186 can vary depending on the specific issue, but it typically ranges from $100 to $300 for parts and labor at a repair shop.

9. Can a faulty Engine Fuel Temperature Sensor affect the performance of my Ford vehicle?

Yes, a faulty Engine Fuel Temperature Sensor can affect the fuel mixture, engine timing, and overall performance of your Ford vehicle, leading to drivability issues.

10. How often does OBDII code P0186 occur in Ford vehicles?

Code P0186 is a relatively uncommon OBDII code in Ford vehicles, but it can still occur due to sensor failures, wiring issues, or other related problems.

Discuss the causes and fixes for P0186 Ford OBDII Code

Submit a New Comment

Code P0186 Ford comments

No comments found for this page.