Engine-CodesGeneric – P0346

P0346 Code - Camshaft Position Sensor 'A' Circuit Range/Performance Bank 2

Quick Answer

The P0346 code indicates a problem with the Camshaft Position Sensor 'A' Circuit Range/Performance Bank 2 in the vehicle. Common causes include Faulty camshaft position sensor, Wiring or connector issues, Timing chain or belt problems. 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 indicates Camshaft Position Sensor 'A' Circuit Range/Performance Bank 2.
Common causes
Common causes include Faulty camshaft position sensor, Wiring or connector issues, Timing chain or belt problems.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P0346 Description

The P0346 code indicates a problem with the Camshaft Position Sensor 'A' Circuit Range/Performance Bank 2 in the vehicle. The camshaft position sensor is a vital component in the engine management system, as it monitors the position of the camshaft to ensure proper timing of the engine's valves. In this case, Bank 2 refers to the side of the engine where the sensor is located.

OBDII Code P0346 - Camshaft Position Sensor 'A' Circuit Range/Performance Bank 2
P0346 Code - Camshaft Position Sensor 'A' Circuit Range/Performance Bank 2

Common Causes of P0346

  1. Faulty camshaft position sensor
  2. Wiring or connector issues
  3. Timing chain or belt problems
  4. Engine mechanical issues
  5. ECM software glitches

Symptoms of P0346

  1. Engine misfires
  2. Rough idling
  3. Loss of power
  4. Poor fuel efficiency
  5. Check Engine Light illuminated

How to Fix P0346

  1. Diagnose the code using a diagnostic scanner to pinpoint the exact cause of the issue.
  2. Inspect the camshaft position sensor, wiring, and connectors for any signs of damage or corrosion.
  3. Test the sensor's voltage and signal to ensure it is functioning correctly.
  4. Replace the camshaft position sensor if it is found to be faulty.
  5. Clear the code and perform a test drive to verify that the issue has been resolved.

Cost to Fix P0346

The cost of repairing a P0346 code can vary depending on the specific cause of the issue and the make and model of the vehicle. On average, the cost of replacing a camshaft position sensor ranges from $100 to $250, including parts and labor. Additional costs may apply if there are other underlying issues contributing to the code. It is advisable to consult with a professional mechanic to get an accurate estimate based on your vehicle's needs. Keep in mind that labor rates can vary, so it's essential to factor in these costs when budgeting for the repair.

Tech Notes for P0346

Sometimes and in some models, low battery voltage or a weak starter can trigger a Camshaft Position Sensor code.

When is the Code Detected?

The camshaft position sensor signal sent to the Engine Control Module(ECM) during the first few seconds of engine cranking is out of range.

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Code P0346 Information for Specific Makes

  • P0346 Audi — Camshaft Position Sensor Intake Circuit Range/Performance Bank 2
  • P0346 Ford — Camshaft Position Sensor 'A' Circuit Range/Performance Bank 2
  • P0346 Hyundai — Camshaft Position Sensor 'A' Circuit Range/Performance Bank 2
  • P0346 KIA — Camshaft Position Sensor 'A' Circuit Range/Performance Bank 2
  • P0346 Lexus — Camshaft Position Sensor 'A' Circuit Range/Performance Bank 2
  • P0346 Scion — Camshaft Position Sensor 'A' Circuit Range/Performance Bank 2
  • P0346 Toyota — Camshaft Position Sensor 'A' Circuit Range/Performance Bank 2
  • P0346 Volkswagen — Camshaft Position Sensor Intake Circuit Range/Performance Bank 2
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 Code

1. What are common symptoms of OBDII code P0346 (Camshaft Position Sensor 'A' Circuit Range/Performance Bank 2)?

- Common symptoms include rough idling, engine misfires, poor acceleration, and potential stalling of the engine.

2. What are the typical causes of OBDII code P0346?

- The code P0346 is usually triggered by a faulty camshaft position sensor, wiring issues, or a problem with the sensor's circuit.

3. How can I diagnose the cause of OBDII code P0346?

- To diagnose the issue, you can use a scan tool to check for the specific code, visually inspect the sensor and its wiring for damages, and perform electrical testing to determine the cause.

4. Is it safe to continue driving with OBDII code P0346 present?

- It is not recommended to drive with this code present, as it can lead to further engine damage and potential safety hazards. It's best to address the issue promptly.

5. Can I repair OBDII code P0346 myself?

- While some DIY enthusiasts may be able to replace the camshaft position sensor themselves, diagnosing and repairing the underlying cause of the code may require professional help.

6. How much does it typically cost to repair OBDII code P0346?

- The cost of repairing this code can vary depending on the cause of the issue, but it may range from $100 to $300 for parts and labor.

7. Are there any preventive measures to avoid OBDII code P0346 in the future?

- Regular maintenance, such as checking and replacing sensors as recommended by the vehicle's manufacturer, can help prevent issues like code P0346 from occurring.

8. Can a faulty camshaft position sensor cause other problems besides triggering OBDII code P0346?

- Yes, a faulty camshaft position sensor can cause a range of issues, including poor fuel economy, difficulty starting the engine, and overall reduced engine performance.

9. How long does it typically take to repair OBDII code P0346?

- The repair time can vary depending on the extent of the issue and the accessibility of the sensor, but it may take anywhere from 1 to 3 hours at a repair shop.

10. Can OBDII code P0346 be intermittent or permanent?

- This code can sometimes be intermittent, meaning it may appear and disappear sporadically, but it's crucial to address it as soon as possible to prevent potential engine problems.

Discuss the causes and fixes for P0346 OBDII Code

  • changed cam shaft sensor,still got light on ,car runs ok 99% of time just get the odd stall under hevy
    exceleration on xtype jag 2003 2.1L