Variable valve timing (VVT) is the process of altering the timing of a valve lift event in an internal combustion engine, and is often used to improve performance, fuel economy or emissions. It is …

Jul 6, 2025 · Here's an example of how variable valve timing works — if the VVT increases the valve duration of the exhaust valve, then more exhaust is expended from the cylinder.

Jan 17, 2024 · It is a system that aims to alter the opening and closing time of the air intake valves (or exhaust gases) so that the optimum amount of air for the process enters the cylinders. This is …

Aug 22, 2025 · What is Variable Valve Timing and How Does VVT Work? Variable valve timing (VVT) is a clever piece of automotive technology that optimizes engine performance and allows for better fuel …

In this Technical Focus Article, learn about the main components of Variable Valve Timing, the functions & benefits, VVT history, and common causes of VVT malfunction.

Dec 9, 2024 · Enter Variable Valve Timing (VVT)—a game-changer in modern engine technology. Found in all late-model engines, VVT eliminates this compromise by dynamically adjusting valve …

Nov 6, 2024 · It does the job of changing the timing of a valve’s opening and closing and works together with the valve lift system. This component is important because its proper use can enhance engine …

Sep 3, 2025 · This sophisticated system allows engines to achieve peak efficiency, reduced emissions, and enhanced power delivery by adapting valve timing to match current driving demands rather than …

Oct 5, 2024 · So, the (VVT) variable valve timing system, uses engine oil pressure, to change the position of the intake camshaft. As a result, optimizing intake valve timing for operating conditions.

Oct 31, 2024 · VVT, or Variable Valve Timing, is a groundbreaking car engine technology that’s transforming engine performance. This advanced system dynamically adjusts the timing and duration …