Audi VW PCV Valve - 034Motorsport 0341012002

Product Information

The engine crankcase vent valve, also referred to as the PCV (Positive Crankcase Ventilation) valve, is part of a vehicle’s emission control system. It helps manage the pressure inside the engine’s crankcase by allowing gases that build up in the crankcase to be vented back into the intake manifold. These gases are then burned in the combustion process, reducing harmful emissions. The PCV valve also prevents oil contamination and helps maintain proper engine performance by controlling the amount of blow-by gases (unburned fuel and air mixture) escaping from the combustion chamber.

• Rough Idle or Engine Misfire: A faulty or clogged PCV valve can cause the air-fuel mixture in the engine to become unbalanced, leading to rough idling or even engine misfires, especially when the car is idling.
• Oil Consumption: A faulty vent valve can cause pressure to build up inside the crankcase, which may push oil out through seals or gaskets, resulting in oil leaks. Excessive pressure can also force oil into the intake manifold, leading to increased oil consumption.
• Sludge Buildup: If the valve is stuck closed or blocked, the blow-by gases can’t escape the crankcase properly. This can cause condensation and oil to mix, forming sludge inside the engine. This sludge can block oil passages, leading to lubrication issues and engine damage over time.

About 034Motorsport

034Motorsport was founded by Javad Shadzi in 2005, with a passion for bringing motorsport-quality performance upgrades and tuning to Audi and Volkswagen vehicles. The company has since evolved and grown to meet the expanding needs of enthusiasts, but the underlying passion for innovation, performance, and quality remains. We are dedicated to providing our customers with only the best performance products, tuning, and service for their Audi or Volkswagen.

034Motorsport is owned and operated by enthusiasts like you! This means you can expect knowledgeable advice and enthusiastic customer service every time. When we aren't at work, you can find us at local car meets, Audi Club Track Days, or at home wrenching on our own cars.

034Motorsports prides themselves on developing the finest track-proven and street-friendly performance upgrades for Audi and Volkswagen enthusiasts. The 034Motorsport Performance Facility in Fremont, CA is home to our engineering, manufacturing, and tuning departments. Staffed by highly-skilled enthusiasts, these departments work in unison to design, test, build, and calibrate the latest in performance upgrades for Audi and Volkswagen applications. Unlike other companies that merely drop-ship parts or outsource development, they do it all under one roof to ensure that 034Motorsport products are the highest quality on the market.