AutoCodes – Ford – P0346 2006 Ford Fusion

P0346 2006 Ford Fusion Code - Camshaft Position Sensor 'A' 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
P0346 2006 Ford Fusion indicates Camshaft Position Sensor 'A' 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.
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Code Popularity 3,112
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0346 2006 Ford Fusion Description

The Camshaft Position Sensor is an electronic device used in an engine to record the rate at which the camshaft is spinning. This information is used by the Engine Control Module(ECM) to control ignition and fuel injection. The camshaft position sensor senses the retraction of camshaft (intake) to identify a particular cylinder. The camshaft position sensor senses the piston position. The sensor system consists of a rotating part, typically a disc, as well as a static part, the actual sensor.
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.
OBDII Code P0346 2006 Ford Fusion - Camshaft Position Sensor 'A' Circuit Range/Performance Bank 2 - AutoCodes.com
P0346 2006 Ford Fusion Code - Camshaft Position Sensor 'A' Circuit Range/Performance Bank 2

What are the Possible Causes of the DTC P0346 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 P0346 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 P0346 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.

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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 P0346 2006 Ford Fusion Code

1. What does the OBDII code P0346 mean on a 2006 Ford Fusion?

P0346 indicates an issue with the Camshaft Position Sensor 'A' Circuit Range/Performance on Bank 2, meaning the engine control module (ECM) is receiving an unexpected signal from the sensor.

2. What are the common symptoms of P0346 in a 2006 Ford Fusion?

Symptoms include rough idling, engine misfires, difficulty starting, reduced fuel efficiency, and possible stalling.

3. What causes the P0346 code to appear in a 2006 Ford Fusion?

Common causes include a faulty camshaft position sensor, damaged wiring or connectors, a timing issue, or a malfunctioning ECM.

4. How do I diagnose the P0346 code on my Ford Fusion?

Start by inspecting the camshaft position sensor and its wiring for damage or loose connections, check the timing chain or belt for alignment issues, and test the sensor with a multimeter.

5. Can a bad camshaft position sensor cause the P0346 code?

Yes, a failing or damaged camshaft position sensor is one of the most common causes of the P0346 code.

6. How do I fix the P0346 code on a 2006 Ford Fusion?

Repair or replace the camshaft position sensor, fix any damaged wiring, ensure proper timing alignment, and clear the code with a diagnostic tool after repairs.

7. Where is the camshaft position sensor located on a 2006 Ford Fusion?

The camshaft position sensor is typically located near the camshaft, often on the valve cover or near the timing chain/belt on the engine.

8. Can I drive my 2006 Ford Fusion with the P0346 code?

Driving with this code is not recommended, as it can lead to poor engine performance, stalling, and potential long-term damage.

9. How much does it cost to repair the P0346 code on a 2006 Ford Fusion?

The cost can range from $100 to $300 depending on whether the camshaft position sensor needs replacement or if more extensive repairs, such as timing adjustments, are required.

10. Can a bad timing chain cause the P0346 code on a 2006 Ford Fusion?

Yes, a stretched or misaligned timing chain can disrupt the camshaft position signal, triggering the P0346 code.

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