Skip the auto shop - Our mechanics make house calls

Q: What is the exhaust gas recirculation valve?

asked by on

What is the exhaust gas recirculation valve?

A: If you have a V6 Accord, your engine includ...

If you have a V6 Accord, your engine includes an exhaust gas recirculation valve (EGR). It works in conjunction with both the engine and the intake to reroute exhaust gases (a portion of them) back into the engine. This allows emissions to be reduced by re-burning both gasoline vapors and other elements (NOx is created when gasoline is burned, so burning spent vapor helps reduce the creation of this pollutant).

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: I replaced the IAC and EGRVCS - the idle eventually worsens and dies

Hi there. You will need to check the mass air flow (MAF) sensor for if it is plugged in and dirty. If there is nothing wrong with the MAF, I recommend replacing it for the symptoms that you are encountering...

Q: What exactly is a coral spring and what does it do for you car? And is it removed during a manifold replacement?

Hi there. The term is an exhaust coil spring and it is used to force clamp a flange together with an exhaust donut. These springs help hold the exhaust together and flex as the engine is throttled. If you need...

Q: Do I need to change my oil if it's at 60% oil life?

There is a lot of mixed information about the service life of oil. There are many factors that have an effect on oil life. Most newer cars like yours are equipped with oil life monitors. Some go by mileage,...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.