How to Buy a Good Quality Exhaust Gas Recirculation (EGR) Valve

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Average rating from 293 customers who received a Exhaust Gas Recirculation/EGR Valve Replacement.

The exhaust gas recirculation valve (EGR valve) serves to dramatically reduce the emissions that are key contributors to pollution in the air. While EGR systems were not routinely added to engines until 1972, nearly all engines produced or on the road today have an EGR system in place.

When functioning under normal parameters, the EGR system does not cause a load on engine performance. However, a leaking or inoperative EGR system can cause load issues such as knocking or pinging as well as a range of other drivability problems.

EGR valves work by creating a small and calibrated “leak” between the exhaust and intake manifolds. This passageway allows some of the exhaust to be circulated back into the engine; however, this amount must be closely controlled by the EGR valve as a large leak leads to significant reductions in engine performance and drivability.

A couple things to keep in mind to make sure you’re getting a good quality EGR valve:

  • Newer vehicles have an electronic EGR valve to control the recirculation of exhaust gas, while older systems utilize a vacuum-related EGR valve. You will need to consult a mechanic or your product manual in order to assure you’re looking at the correct type of EGR valve for your particular vehicle.

  • There are six main types of EGR valves, all of which were used in a specific era in vehicle manufacturing. The ported EGR valves were used from around 1972 – 1980, positive backpressure EGR valves and negative backpressure EGR valves were both used from 1972 on, pulse-width modulated electronic EGR valves and digital electronic EGR valves were in use from the late 1980s to the 1990s, and the most recent version are the linear electronic EGR valves which started appearing in the 1990s through today.

  • There are some vehicles that don’t even have EGR valves – these cars have VVT (variable valve timing) instead, but have the same effect as EGR.

  • Incorrect installation of an EGR system can cause pinging, rough idles and misfiring, as well as starting difficulties

  • When replacing this part, it’s best to keep the old part until you receive the new one to assure they match exactly. An OEM part is best, simply because there are so many different varieties on the market.

  • You may need your vehicle’s VIN to ensure you’re getting the right part.

While EGR valves can be complex, as long as you keep your current part until you’re ready to replace it, you should be able to get a replacement part that will work just like new.

YourMechanic can install or replace an EGR valve for you.


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Recent Exhaust Gas Recirculation/EGR Valve Replacement reviews

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YourMechanic Exhaust Gas Recirculation/EGR Valve Replacement Service

Average Rating

4.8/5

Number of Reviews

293

Rating Summary
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Chris

20 years of experience
1612 reviews
Chris
20 years of experience
Dodge Charger - Exhaust Gas Recirculation/EGR Valve - Costa Mesa, California
We are truly happy with Chriss. He gained 2 loyal customers. He arrived early and completed the work quickly and efficiently. Thank you again for taking the time to come out and doing a great job.
Mercury Grand Marquis - Exhaust Gas Recirculation/EGR Valve - Sun City, California
Always a pleasure to deal with knowledgeable and honest people. With use again with our fleet, and have already referred him to others.

Rusty

21 years of experience
354 reviews
Rusty
21 years of experience
Buick Rendezvous - Exhaust Gas Recirculation/EGR Valve - Arlington, Texas
Rusty was absolutely GREAT!!! When ever I use your service please send out Rusty. I have already told 5 friends about your service and Rusty.
Dodge Charger - Exhaust Gas Recirculation/EGR Valve - Arlington, Texas
Excellent service!! Rusty was professional and knowledgeable about the issue my car was having. Definitely recommend his services for your car maintenance needs!

Chris

14 years of experience
232 reviews
Chris
14 years of experience
Acura MDX - Exhaust Gas Recirculation/EGR Valve Replacement - San Diego, California
Understood the task and performed it efficiently He cleared the code after replacing the EGR He also inspected the fluids & brakes

Edmar

20 years of experience
144 reviews
Edmar
20 years of experience
Chevrolet Malibu - Exhaust Gas Recirculation/EGR Valve - North Richland Hills, Texas
Punctual and offically my new mechanic. Did an amazing job and didnt try and convince to get things not needed.

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