Jan 7, 2016 · If you have the EGR, the supply hose (Item #1) will curve down to the EGR cooler cylinder/tube shown here. If you don't have the EGR, that heater supply line (Item #3) looks …

May 17, 2007 · 2001 no cat or EGR 2002 - 2004 LB7 Federal emissions no cat no EGR 2002 - 2004 LB7 Clean state emissions with cat and with EGR It's just not California trucks that got …

Apr 27, 2010 · Remember, I have a 2004, vin series 1 LB7 but it is the northeast version so I am lucky enough to have a kitty AND EGR. '93 Chevy K2500 - 6.5 TD --- Straight Pipe Exhaust

May 19, 2014 · The first 4-5 posts on every board about LB7 EGR seems to be "da hur LB7's don't have EGR". Well, some do. So here's two ways to defeat the system. Easy way- Disable …

Dec 26, 2008 · When the EGR valve is opened, the MAF rate will decrease. When the EGR valve vacuum control solenoid is operated at 50-70 percent duty cycle, the MAF rate should drop at …

Apr 8, 2010 · can you take a pic of it. i have never seen a egr valve on a lb7!!! 07 lbz silverado 2500 ccsb 285/75/16 cooper discover st's, egr blocker, dual staight pipe exhaust, stage 3 afe …

2003 2500HD LB7,Fass Titanium. Leveled with Zone Offroad C32N 3" Lift System With Black Nitro Shocks. Magnaflo 5" Welded exhaust.

Apr 5, 2015 · Looks like deleting EGR is going to be an involved project if I want to do it the way I'd like to or technically the "right way" in deleting all the EGR related components. On the list I …

Jul 11, 2016 · Discusses LLY and LBZ EGR systems, and by default, I believe it also applies to CA LB7's. According to KD, the engine management system monitors EGR function by looking …

Mar 15, 2008 · The LB7 EGR system has a bunch of vacuum lines and 2 solenoids right by the fuel filter assemble and the CAT is under the truck as was mentioned before. 2004.5 LLY SC …