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DonR · 11-06-2009, 04:46 PM

I would say the EGR passage is getting clogged or the EGR valve is clogged or shot.

If it were a Chevy V8 I would tell you to pull off the throttle body & the EGR valve. Then clean out the port going into the manifold from the EGR valve.

I would pull the EGR valve & try to clean off the build up as best I can and get as much build up out as possible. You may want to have a shop vac right by the port so the build up comes out instead of going into the manifold.

Don

11-06-2009, 04:46 PM	#2 (permalink)
DonR Master EcoModder Join Date: Mar 2009 Location: Northeast Ohio Posts: 269 The Wife's Hot Rod - '09 Pontiac G8 GT Last 3: 23.22 mpg (US) Big Outback - '13 Subaru Outback 2.5i Little Outback - '02 Subaru Impreza Outback Sport Thanks: 0 Thanked 16 Times in 16 Posts	I would say the EGR passage is getting clogged or the EGR valve is clogged or shot. If it were a Chevy V8 I would tell you to pull off the throttle body & the EGR valve. Then clean out the port going into the manifold from the EGR valve. I would pull the EGR valve & try to clean off the build up as best I can and get as much build up out as possible. You may want to have a shop vac right by the port so the build up comes out instead of going into the manifold. Don