If your car’s EGR valve is leaking or not functioning correctly, there are a few things you can do. Listed below are the common symptoms of an EGR valve that you may experience, as well as some tips for cleaning and repairing your valve. You can also find more information about the EGR valve on NAPA Online, and visit one of our more than 17,000 stores for repair and maintenance.
Symptoms of a faulty EGR valve
A faulty EGR valve can cause a number of issues with your car. This may include poor fuel economy and increased emissions. Other symptoms can include engine stalling, noise, and carbon buildup. If you suspect a problem with your EGR valve, consult with a mechanic as soon as possible.
A stuck EGR valve causes an incorrect mixture of air and fuel to enter the combustion chamber. When this occurs, fuel is burned at a lower temperature, which is inefficient. It also results in a rough idle and erratic performance. In extreme cases, a stuck EGR valve can even cause your vehicle to stall.
Cleaning an EGR valve
The EGR valve is a part of your engine that keeps your car’s emissions to a minimum. It is responsible for regulating the amount of NOx in the exhaust and maintaining a lower combustion temperature. However, https://evrproducts.com/products/rubber-duckbill-check-valves/wastop-backflow-valve/ over time, exhaust fumes can clog the valve, causing a variety of engine problems. In order to avoid these problems, it is essential to clean your EGR valve regularly. Most experts agree that you should clean your valve at least every few years or 50,000 miles.
A basic cleaning procedure involves using an EGR valve cleaner and a soft brush. You can also use a pipe cleaner or wire brush to remove stubborn deposits. If the carbon buildup is particularly tough to remove, you can soak the valve in water for a while. This will soften the carbon buildup, making it easier to remove. Once you’ve completed cleaning, dry your EGR valve thoroughly before using it again.
Checking the thermovalve
A manual vacuum pump is an effective tool for checking the thermovalve of an EGR valve. The vacuum should be maintained for at least five minutes without dropping below 500 mbar. During this time, look at the valve’s diaphragm and valve rod, which must move smoothly.
The EGR valve is designed to withstand high loads, but any restriction in the EGR valve can lead to emissions. Moreover, it will affect the amount of exhaust gas recirculated. A faulty thermovalve or pressure transducer can cause this fault.
Repairing an EGR valve
Replacing an EGR valve can be a relatively easy DIY project. An average cost for an EGR valve replacement is approximately $150 to $700. The cost depends on the type of valve and the model of the car. It is also important to consider that different mechanics charge different labor costs.
In order to identify whether the EGR valve needs repair, first make sure the check engine light is on. If it is, it’s likely that the valve is malfunctioning. If this light is on, your vehicle’s computer is sensing an issue and sending a message to your dashboard. If you can’t figure out the problem on your own, you can use a diagnostic scanner or consult a mechanic.