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 like this; 🇨🇱 🚆2007 LBZ 3500 LT3 DRW Crew Cab, Sulastics, Putnam XDR 15K, B&W 30K-Turnover GN+Companion, Ride-Rite Air...EFI'd by Rob

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 the EGR and cat. There are currently 13 states that are what is called "clean state" so you will see them spread across the country

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 the EGR system and forget it. (better for Californians who have to go through smog.) 1. Shut off the codes w/ EFI live. 2. Pull the vacuum line from the EGR Valve and plug it. 3.

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 least 4 g/s. EGR Valve Cooler The EGR valve cooler is mounted on the right intake manifold, between the EGR valve and the exhaust pipe.

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 intake, 20% tinted windows, tie rod sleeves and pitman arm idler arm braces, EFI tune by idahorob, Transgo jr, balt boost, pyro and fuel psi gauges, air dog II 165 ...

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 would have the right side up pipe, EGR valve, EGR cooler, vacuum pump, intake connection, and even the fuel filter housing is much different with all the extra ...

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 for a change in the signal from the MAF sensor at idle. When the EGR cycles, gasses going into the combustion chamber begin to come from two sources, EGR and intake air.

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 2wd 2006 LBZ CC 4wd