The variable valve timing switch is a pressure switch, and is designed to be open on a normal basis. It's located at the VVT solenoid inside the engine and is responsible for telling the car's computer if oil pressure was delivered to the VVT system.
Can you drive with a bad VVT solenoid?
Can You Drive with a Bad VVT Solenoid? Even though you may technically be able to continue driving with a bad VVT solenoid, the issue can cause damage to additional parts, such as the VVT actuator. So, you should address the issue as soon as possible.Jul 21, 2020
What are the symptoms of a bad VVT?
Symptoms of a Bad or Failing Variable Valve Timing (VVT) Switch. Common signs include a rough engine idle, the Check Engine Light coming on, and the engine stumbling when climbing hills or under load.Jan 13, 2016