Variable valve timing - Wikipedia
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 …
What Is Variable Valve Timing, And How Does It Work? - Jalopnik
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.
What is Variable Valve Timing and how does it work?
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 …
What Is VVT? Benefits, How It Works, and Maintenance Guide
Aug 22, 2025 · Variable valve timing (VVT) is a clever piece of automotive technology that optimizes engine performance and allows for better fuel efficiency in vehicles. It works by …
Variable Valve Timing (VVT): How does it work? - Industrias Dolz
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 …
How Variable Valve Timing Works: Optimizing Engine Performance
Sep 3, 2025 · Variable valve timing (VVT) represents one of the most significant advances in modern engine technology, dynamically adjusting valve opening and closing timing to optimize …
What is the Variable Valve Timing Solenoid? Working Principle ...
Mar 5, 2025 · Today we will discuss the Variable Valve Timing Solenoid, its working principle, structure, and types. The variable valve timing (VVT) solenoid is a vital engine component in …
Variable Valve Timing (VVT) - Function And Its Advantages
Sep 12, 2025 · So, variable valve timing (VVT) adjusts the opening times and lift of the valves, to suit all operating conditions. This ensures ideal charge cycles, within a wide range of engine …
How Variable Valve Timing Works? - CAR FROM JAPAN
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 …
Pondering Variable Valve Timing - Snap-on
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.