Back to all

What Is an EGR Valve? (EGR Valve Service)

May 8, 2022

If you've ever felt your vehicle hesitate, go, then hesitate again, you might think there's something wrong with the transmission.  After all, it's not moving smoothly  down the road.  But there are plenty of malfunctions that can cause those symptoms, one of them being something you may have never heard of: the EGR valve.

EGR stands for Exhaust Gas Recirculation. It's a system that channels small amounts of exhaust back into the engine to cool down the cylinders and reduce polluting gases.  Those include nitrogen oxides that can cause smog. The EGR valve regulates how much of the vehicle's exhaust gas is recirculated. After years and long distances traveled, that valve can get clogged or fail. Sometimes the EGR valve can stick open.  When the EGR valve isn't working properly, your vehicle can start releasing those nitrogen oxides and pollute the air.

The symptoms of a malfunctioning EGR valve include:

  • Engine losing power
  • Engine idling roughly
  • Pinging and knocking sounds in the engine
  • Stalling and hesitation
  • Fuel economy decreasing
  • Check Engine light illuminated

 

Depending on its condition, the EGR valve can be cleaned or it may need to be replaced.  Consult with your service advisor to see what options are recommended to you.

The EGR system is part of your vehicle's pollution and emissions control equipment. If you care about keeping our planet's atmosphere clean, you'll want to make sure it's doing its job—for everyone's benefit.

Tuffy Lake In The Hills
59 West Acorn Lane
Lake In The Hills, Illinois 60156
847-854-9850

More articles from Tuffy Lake in the Hills

Slipping into Fall (Driving with ABS Brakes)

April 27, 2025

As the weather changes over from hot to colder, drivers will have to deal with more slippery streets. And it's important to know how to drive with the brakes you have on your vehicle. In the 1970s, anti-lock braking systems (ABS) started to be installed on vehicles and they've been a game chang... More

I Want a New Vehicle. Or Do I? (Vehicle Maintenance Payoffs)

April 20, 2025

Spring is a peak season for vehicle sales; companies aggressively market new models and offer all sorts of incentives. So you may be tempted to buy a shiny new beauty. But should you? If you've regularly maintained the vehicle you're driving now, you probably don't NEED a new one. Even if your... More

Fuel for Thought

April 13, 2025

If you're like most people and drive a gasoline-powered vehicle, you need to be up to speed on its fuel-related components. They're pretty basic: the fuel, the fuel filter and the fuel pump. The fuel's the easy part. You probably gas up your vehicle yourself and, if you're like most drivers, pr... More