MustangWorks.com : Ford Forums - View Single Post - Do GT40Ps off Explorer have EGR holes in heads?

richd · 10-17-2002, 04:19 PM

I thought the thermactor feed on the heads was only for cold start emissions. Once the engine is warm, the smog pumps air to the cats.

Or am I wrong?

10-17-2002, 04:19 PM	#6
richd Registered Member Join Date: Jul 2001 Location: Edison, NJ, USA Posts: 125	I thought the thermactor feed on the heads was only for cold start emissions. Once the engine is warm, the smog pumps air to the cats. Or am I wrong?