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Big Angry · 05-15-2008, 08:38 PM

No sensors, but it most likely will cause either a stored code (on mine I get 2 EGR codes, but no CEL) and the newer ones I believe the EGR codes will cuase a light, however, he already lost the cat, so I am sure he's dealing with his possible CEL with either tuning or unplugging the EGR. Some of the newer handhelds can disable the egr and also there are the blocker plate and "fingerstick" that can be used to fool the computer as well.

05-15-2008, 08:38 PM	#6
Big Angry Chest Poundin' Apes! Status: Offline Join Date: Nov 2001 Member ID: 349 Pics: My Gallery Location: Central PA Age: 31 Posts: 6,802	Re: question on catback No sensors, but it most likely will cause either a stored code (on mine I get 2 EGR codes, but no CEL) and the newer ones I believe the EGR codes will cuase a light, however, he already lost the cat, so I am sure he's dealing with his possible CEL with either tuning or unplugging the EGR. Some of the newer handhelds can disable the egr and also there are the blocker plate and "fingerstick" that can be used to fool the computer as well. 2004.5 Chevy CCSB D/A LLY Tuff Country Suspension, Toyo MT's, Exhaust, EFI Live, Danville 64mm VVT, Kennedy Pumps, SunCoast IV, some Mike L. tranny stuff, some color matching, lots of other junk.