My egr valve on my1991 honda accord is clogged what do i do to unclog it?

My egr valve on my1991 honda accord is clogged what do i do to unclog it?

If you've said so. I assume that you've already know the cause of the problem and I'll make it short and… Painful: Do you know how diamond was made? Under various condition of temperature and pressure for a long time.

The EGR valve need to be replaced, at least due to the age. And its passages need to be "Drilled out" due to all of the "Diamond" materials.

Unless you can tell to all of the YA members into details, what's the problem, symptoms or the code(s). Otherwise, diamonds are forever under the eyes of any woman and it'll be there.

Need more information what have you checked/ done or… Feel. If you want to deal with the problem or the fix? E mail me. HTH.

Are you certain it's the EGR Valve itself?

On a Honda it's almost always the ports in the intake manifold.

Any carburetor cleaner will remove the carbon buildup. Google "egr port cleaning".

Wash it out in gasoline until it rattles.