VW fault code P1950 can be a real headache, leaving you stranded or facing costly repairs. This guide provides a comprehensive breakdown of this trouble code, helping you understand its causes, symptoms, and most importantly, how to fix it, whether you’re a car owner, mechanic, or technician.

What is VW Fault Code P1950?

P1950 specifically refers to the “Intake Manifold Runner Position Sensor/Switch Circuit Bank 2.” This sensor plays a crucial role in optimizing your engine’s performance and fuel efficiency by controlling the airflow into the cylinders. When this sensor malfunctions or the circuit has a problem, your car’s computer triggers the P1950 code.

VW P1950 Intake Manifold Runner Position Sensor

Symptoms of a P1950 Fault Code

Recognizing the symptoms of a P1950 fault code is vital for early diagnosis and preventing further damage. Common symptoms include:

• Check Engine Light: The most obvious sign is the illumination of your check engine light.
• Reduced Engine Performance: You might notice a decrease in power, especially during acceleration.
• Rough Idle: The engine might idle erratically or feel unstable.
• Poor Fuel Economy: A malfunctioning intake manifold runner position sensor can negatively impact fuel efficiency.
• Hesitation or Stalling: In some cases, the engine might hesitate or stall unexpectedly.

Common Causes of VW Fault Code P1950

Several factors can trigger the P1950 code. Some of the most frequent causes include:

• Faulty Intake Manifold Runner Position Sensor: The sensor itself might be defective due to wear and tear or damage.
• Wiring Issues: Damaged, corroded, or loose wiring in the sensor circuit can disrupt the signal.
• Vacuum Leaks: Leaks in the intake manifold vacuum system can affect the sensor readings.
• Carbon Buildup: Excessive carbon buildup can restrict the movement of the intake manifold runners, impacting the sensor’s function.

How to Diagnose VW Fault Code P1950

Diagnosing the P1950 code requires a systematic approach. Here’s a step-by-step guide:

1. Retrieve the Code: Use an OBD-II scanner to confirm the P1950 code.
2. Inspect the Wiring: Carefully examine the wiring harness connected to the sensor for any signs of damage, corrosion, or loose connections.
3. Check for Vacuum Leaks: Inspect the intake manifold and related vacuum hoses for any leaks.
4. Test the Sensor: Use a multimeter to test the sensor’s resistance and voltage according to the manufacturer’s specifications.
5. Check for Carbon Buildup: Inspect the intake manifold runners for excessive carbon buildup.

How to Fix VW Fault Code P1950

Once you’ve identified the cause, you can proceed with the appropriate repair:

1. Replace the Sensor: If the sensor is faulty, replace it with a new, high-quality OEM part.
2. Repair Wiring: Repair or replace any damaged or corroded wiring.
3. Fix Vacuum Leaks: Seal or replace any leaking vacuum hoses or components.
4. Clean Carbon Buildup: Remove and clean the intake manifold to remove excessive carbon deposits.

What if the P1950 Code Returns?

If the code returns after the repair, it’s crucial to re-evaluate the diagnosis and ensure all potential issues have been addressed. Sometimes, a seemingly unrelated problem can trigger the P1950 code.

“A thorough diagnostic process is crucial. Don’t jump to conclusions, carefully check all related components and systems.” – John Miller, Automotive Electrical Engineer

Conclusion

VW fault code P1950, related to the intake manifold runner position sensor, can significantly impact your vehicle’s performance and fuel efficiency. Understanding its causes, symptoms, and diagnostic procedures is crucial for effective repair. By following this guide, you can troubleshoot and resolve the P1950 issue, getting your VW back on the road smoothly. For professional assistance, feel free to contact us at VCDSTool at +1 (641) 206-8880 and our email address: vcdstool@gmail.com or visit our office at 6719 W 70th Ave, Arvada, CO 80003, USA.

“Remember, preventative maintenance is key. Regularly inspecting your vehicle and addressing potential issues early on can prevent costly repairs down the road.” – Maria Sanchez, Certified Master Technician

FAQ

• What does the P1950 code mean? It indicates a problem with the intake manifold runner position sensor/switch circuit bank 2.
• Can I drive with the P1950 code? While you might be able to drive, it’s best to address the issue promptly to prevent further damage.
• How much does it cost to fix the P1950 code? The cost depends on the specific cause and repair required.
• Is the P1950 code serious? While not immediately critical, it can lead to more serious engine problems if ignored.
• How can I prevent the P1950 code? Regular maintenance and timely repairs can help prevent this code from appearing.
• What tools do I need to diagnose the P1950 code? An OBD-II scanner and a multimeter are essential tools for diagnosis.
• Where is the intake manifold runner position sensor located? It’s typically located on the intake manifold.