In a four stroke combustion engine, intake and exhaust valves play a critical role in a vehicle’s ability to turn fuel into power. What Do Valves Do? Valves control the movement of a fluid through a system. Inside your car engine, that fluid is air. On the intake stroke, intake valves must open to allow … Read more
The braking system of a vehicle is often built with an extra feature called a vacuum brake booster. The purpose of the brake booster is to create more pressure in the braking system. For instance, when you step on the brake pedal to slow down the vehicle, the brake booster ensures that the brake master … Read more
The Evaporative Emission Control (EVAP) system features a vapor canister purge valve which manages the quantity of fuel vapor coming out of the charcoal canister. The purge valve and charcoal canister work together to recycle the emissions back into the engine so that they’re eliminated as the internal combustion process takes place. But what if … Read more
Exhaust gas recirculation is a practice that has been used to reduce emissions since the 1970s. The exhaust gas recirculation system, or EGR, routes some of the exhaust gases back into the intake manifold so they can enter the combustion chamber a second time. Although it may sound strange, this emission reduction practice actually has … Read more
The idle air control valve is responsible for managing the engine idle speed in revolutions per minute (RPM). When it starts malfunctioning, you’ll start experiencing some fairly obvious clues of its failure. Keep reading to learn the most common symptoms of a bad idle air control valve, what causes it to fail, and how much … Read more
An oil control valve (also referred to as a VVT solenoid) is an important component of a vehicle with a variable valve timing (VVT) system. The existence of the system aims to control the performance of the engine utilizing two methods to retard and advance camshaft angle. If your oil control valve goes bad, you’ll … Read more