This means that when the engine is operating at high speeds, the valves would close even before enough air gets in. Without it, the valve timing, duration, and lift would be the same at all engine speeds. This ensures the engine is performing at its optimum at varying speeds and conditions. To make sure the intake valves lift at the right time and for the correct duration, variable timing is used.
#Variable valve timing solenoid location how to#
Read more: How to Test a PCV Valve How does variable timing work?Ī typical internal combustion engine has valves that control the flow of intake gases into the combustion chamber and exhaust gases out of the combustion chamber. When going up a hill or carrying additional weight in your car, the solenoid makes the necessary adjustment to make sure the engine is getting more fuel and air to increase performance. This improves the car’s performance and fuel economy. The variation helps the computer to optimize fuel delivery into the combustion chamber. It either slows down or speeds up the opening of the intake valve and keeps it open long enough. What the variable valve timing solenoid does is control this process based on the instructions it receives from the car’s electronic control unit (ECU).
The camshaft actuators are responsible for opening the valves for a certain duration during intake and exhaust cycles. The VVT solenoid adjusts the flow of oil into the channels leading to the camshaft actuator(s).
What does a variable valve timing solenoid do? In this guide, we’ll go through everything you need to know about it and how to change an engine variable valve timing solenoid in your car. It’s a component that if broken, can cause several issues in your engine. One of the most crucial parts of the process is the VVT solenoid. It helps to improve fuel economy, engine efficiency and lowers C02 emissions. Variable valve timing is a process that takes place in most modern cars built after the 20 th Century.
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