P0391 2006 Ford Fusion Code - Camshaft Position Sensor 'B' Circuit Range/Performance Bank 2
Quick Answer
The Camshaft Position Sensor is an electronic device used in an engine to record the rate at which the camshaft is spinning. Common causes include Faulty Camshaft Position Sensor, Camshaft Position Sensor harness is open or shorted, Camshaft Position 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
- P0391 2006 Ford Fusion indicates Camshaft Position Sensor 'B' Circuit Range/Performance Bank 2.
- Common causes
- Common causes include Faulty Camshaft Position Sensor, Camshaft Position Sensor harness is open or shorted, Camshaft Position 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 P0391 2006 Ford Fusion Description
When the engine is running, the high and low parts of the teeth cause the gap with the sensor to change. The changing gap causes the magnetic field near the sensor to change. The change in the magnetic field cause the voltage from the sensor to change.
When the crankshaft position sensor (POS) system becomes inoperative, the camshaft position sensor provides various controls of engine parts instead, utilizing timing of cylinder identification signals.
What are the Possible Causes of the DTC P0391 2006 Ford Fusion?
- Faulty Camshaft Position Sensor
- Camshaft Position Sensor harness is open or shorted
- Camshaft Position Sensor circuit poor electrical connection
- Faulty starter motor
- Starting system circuit
- Dead (Weak) battery
How to Fix the DTC P0391 2006 Ford Fusion?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0391 2006 Ford Fusion 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 P0391 2006 Ford Fusion code?
Need more information on how to fix the P0391 2006 Ford Fusion code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0391 2006 Ford Fusion code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0391 2006 Ford Fusion Code
1. What are the common symptoms of OBDII code P0391 in a 2006 Ford Fusion?
- Common symptoms include engine misfires, rough idling, decreased fuel efficiency, and potential stalling while driving.
2. What does the OBDII code P0391 indicate in a 2006 Ford Fusion?
- The code indicates an issue with the Camshaft Position Sensor 'B' Circuit Range/Performance Bank 2.
3. What are the possible causes of OBDII code P0391 in a 2006 Ford Fusion?
- Possible causes include a faulty camshaft position sensor, wiring or connector issues, timing belt problems, or an issue with the engine control module.
4. How can I diagnose the cause of OBDII code P0391 in my 2006 Ford Fusion?
- Diagnosing the issue may involve using a scan tool to check for the code, inspecting the camshaft position sensor and its wiring, and testing the sensor's functionality.
5. Can I still drive my 2006 Ford Fusion with OBDII code P0391 present?
- It is not recommended to drive your vehicle with this code present, as it can lead to further engine damage and potential safety hazards.
6. How can I repair OBDII code P0391 in my 2006 Ford Fusion?
- Repair may involve replacing the camshaft position sensor, repairing any wiring or connector issues, or addressing any underlying timing belt problems.
7. Is it possible to reset OBDII code P0391 in a 2006 Ford Fusion without fixing the issue?
- While you can clear the code with a scan tool, it is important to address the underlying problem to prevent further issues.
8. Can a DIY enthusiast fix OBDII code P0391 in a 2006 Ford Fusion?
- Depending on your skill level and access to tools, DIY repair is possible for some aspects of this issue, such as replacing the camshaft position sensor.
9. Are there any recalls related to OBDII code P0391 in the 2006 Ford Fusion?
- It is recommended to check with the manufacturer or a Ford dealership to see if there are any recalls related to this specific OBDII code in your vehicle.
10. How can regular maintenance help prevent OBDII code P0391 in a 2006 Ford Fusion?
- Regular maintenance, including timely replacement of the camshaft position sensor and inspection of related components, can help prevent issues that may trigger this OBDII code.
Discuss the causes and fixes for P0391 2006 Ford Fusion OBDII Code
Code P0391 2006 Ford Fusion comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
