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UFO · 12-07-2010, 06:14 PM

When I ran with disabled EGR in my TDI (with CEL set) it made no significant difference in economy. However it made a huge improvement (about 10%!) in the fuel economy of my Jeep CRD, and that has a modification that tricks the ECU so it doesn't set a CEL.

So I am working on the same device for my TDI and will document any differences here when I do that.

12-07-2010, 06:14 PM	#4 (permalink)
UFO Master EcoModder Join Date: Sep 2010 Location: Denver, CO Posts: 1,300 Colorado - '17 Chevrolet Colorado 4x4 LT 90 day: 23.07 mpg (US) Thanks: 315 Thanked 179 Times in 138 Posts	When I ran with disabled EGR in my TDI (with CEL set) it made no significant difference in economy. However it made a huge improvement (about 10%!) in the fuel economy of my Jeep CRD, and that has a modification that tricks the ECU so it doesn't set a CEL. So I am working on the same device for my TDI and will document any differences here when I do that. __________________ I'm not coasting, I'm shifting slowly.