P0349 2012 Ford Fusion Code - Camshaft Position Sensor 'A' Circuit Intermittent Bank 2
Quick Answer
The test fails when the Powertrain Control Module (PCM) detects an intermittent signal from the camshaft position (CMP) sensor. 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
- P0349 2012 Ford Fusion indicates Camshaft Position Sensor 'A' Circuit Intermittent 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 P0349 2012 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.
What are the Possible Causes of the DTC P0349 2012 Ford Fusion?
- Faulty Camshaft Position Sensor
- Camshaft Position Sensor harness is open or shorted
- Camshaft Position Sensor circuit poor electrical connection
- Variable Cam Timing (VTC) Solenoid
- Faulty starter motor
- Starting system circuit
- Dead (Weak) battery
How to Fix the DTC P0349 2012 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 P0349 2012 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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Frequently Asked Questions about P0349 2012 Ford Fusion Code
1. What does the OBDII code P0349 mean on a 2012 Ford Fusion?
P0349 indicates an intermittent issue with the Camshaft Position Sensor 'A' circuit on Bank 2, which can affect engine timing and performance.
2. What are the symptoms of code P0349 in a 2012 Ford Fusion?
Symptoms may include rough idling, engine stalling, reduced power, difficulty starting, and the check engine light illuminating.
3. What causes the P0349 code in a 2012 Ford Fusion?
Common causes include a faulty camshaft position sensor, damaged wiring or connectors in the sensor circuit, a failing timing chain or belt, or issues with the engine control module (ECM).
4. Can I drive my 2012 Ford Fusion with the P0349 code?
Driving with this code is not recommended, as it can lead to poor engine performance, potential stalling, and further damage to engine components.
5. How do I fix the P0349 code on my 2012 Ford Fusion?
Repairs may involve replacing the camshaft position sensor, repairing damaged wiring or connectors, inspecting the timing chain or belt, or reprogramming the ECM if necessary.
6. How do I know if the camshaft position sensor is faulty for code P0349?
A faulty sensor can be identified through diagnostic testing, which may show irregular or no signal from the sensor when monitored with a scan tool.
7. Where is the Camshaft Position Sensor 'A' on Bank 2 located in a 2012 Ford Fusion?
In the 2012 Ford Fusion, Bank 2 is typically the side of the engine opposite the number 1 cylinder, and the sensor is mounted near the camshaft of that bank.
8. Can a bad timing chain cause the P0349 code in a 2012 Ford Fusion?
Yes, a stretched or misaligned timing chain can cause intermittent camshaft position signal issues, triggering the P0349 code.
9. What tools are needed to diagnose the P0349 code on a 2012 Ford Fusion?
You’ll need an OBDII scanner, a multimeter to check wiring and sensor signals, and possibly specialized tools to inspect the timing chain.
10. How much does it cost to fix the P0349 code on a 2012 Ford Fusion?
The cost varies depending on the issue, but replacing the camshaft position sensor typically costs $100–$300, while timing chain repairs can exceed $1,000.
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