05/27/2026
If your Volvo has been idling rough, losing power, or making unusual engine noises, it could be a sign of a failing variable valve timing unit. This component plays an important role in how your engine performs, and when it starts to wear down, you may notice changes in how your car drives. Catching these warning signs early can help prevent more serious engine issues over time.
Read our blog to learn what to look for and when to have it checked.
The VVT unit failure in your Volvo can make it very difficult for you to drive your car smoothly. Here are the signs of variable valve unit failure in Volvo.