P0186 Ford Code - Engine Fuel Temperature Sensor 'B' Circuit Range/ Performance
Quick Answer
The comprehensive component monitor (CCM) monitors the Engine Fuel Temperature (EFT) Sensor circuit to the Powertrain Control Module (PCM) for low and high voltage. Common causes include Faulty Engine Fuel Temperature Sensor, Engine Fuel Temperature Sensor harness is open or shorted, Engine Fuel 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
- P0186 Ford indicates Engine Fuel Temperature Sensor 'B' Circuit Range/ Performance.
- Common causes
- Common causes include Faulty Engine Fuel Temperature Sensor, Engine Fuel Temperature Sensor harness is open or shorted, Engine Fuel 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.
Code P0186 Ford Description
What are the Possible Causes of the DTC P0186 Ford?
- Faulty Engine Fuel Temperature Sensor
- Engine Fuel Temperature Sensor harness is open or shorted
- Engine Fuel Temperature Sensor circuit poor electrical connection
How to Fix the DTC P0186 Ford?
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 P0186 Ford 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 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
- P0186 1997 Ford F150 — Engine Fuel Temperature Sensor B Circuit Range/Performance
- P0186 1998 Ford F150 — Engine Fuel Temperature Sensor B Circuit Range/Performance
- P0186 1999 Ford F150 — Engine Fuel Temperature Sensor B Circuit Range/Performance
- P0186 2000 Ford F150 — Engine Fuel Temperature Sensor B Circuit Range/Performance
- P0186 2001 Ford F150 — Engine Fuel Temperature Sensor B Circuit Range/Performance
- P0186 2002 Ford F150 — Engine Fuel Temperature Sensor B Circuit Range/Performance
- P0186 2003 Ford F150 — Engine Fuel Temperature Sensor B Circuit Range/Performance
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.
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