EGR on LB7 - Chevy and GMC Duramax Diesel Forum

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post #1 of 27 (permalink) Old 04-08-2010, 07:41 PM Thread Starter
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EGR on LB7

Is there anyway you can take out the EGR and block it off on an LB7?

2003 durmax, with allison tranny, edge juice, airaid air intake, optima batteries, mbrp 5 inch exhast, mid section cat delete, 6 inch lift, biltein shocks in front, resivoior procomps in the rear, 35 procomp xtreme AT , on rock star rims
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post #2 of 27 (permalink) Old 04-14-2010, 01:11 AM
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I want to know the same thing it keeps cutting in and ou on mine and make the ehaust sound weird it goes really nice sound then really crappy noise.
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post #3 of 27 (permalink) Old 04-14-2010, 01:18 AM
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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, ordered gmax6 and ml conveter
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post #4 of 27 (permalink) Old 04-14-2010, 01:28 AM
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Well mines a lbz.... I think lol.... new to the fourm.
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post #5 of 27 (permalink) Old 04-14-2010, 01:33 AM
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Don't hold me to it, but im pretty sure you can just use an LLY block off plate, then just remove your vacuum pump, shorter belt, and take it to a garage with a tech2 and have them disable the codes.
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post #6 of 27 (permalink) Old 04-14-2010, 01:49 AM
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on the lbz engine all u need to do is get a blocker plate and then install a fingerstick to fool the computer.... to think that its working properly or you will get check engine light.

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, ordered gmax6 and ml conveter
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post #7 of 27 (permalink) Old 04-14-2010, 10:00 AM Thread Starter
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Hmm I'll think about doing that I took the whole system out cleaned it and cleaned the egr and now runs a lot better and smoother it took 3-4 hours to take it off clean it and put it back on those rear bolts by the fire wall are a real bitch. But I've got to remember in 2 or less years the smog laws are going to hit us diesels hard. Especially here in southern Cali:Smack:Smack:blowup:blowup

2003 durmax, with allison tranny, edge juice, airaid air intake, optima batteries, mbrp 5 inch exhast, mid section cat delete, 6 inch lift, biltein shocks in front, resivoior procomps in the rear, 35 procomp xtreme AT , on rock star rims
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post #8 of 27 (permalink) Old 04-14-2010, 11:39 AM
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it is possible to do an egr clean with the gm scan tool, that will be an idea also to try

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, ordered gmax6 and ml conveter
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post #9 of 27 (permalink) Old 04-14-2010, 06:09 PM Thread Starter
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lol no you cant ive got a scan tool its a valve that you have to take out and clean with brake cleaner when i took mine out it was caked with soot :brainfart:cookoo

2003 durmax, with allison tranny, edge juice, airaid air intake, optima batteries, mbrp 5 inch exhast, mid section cat delete, 6 inch lift, biltein shocks in front, resivoior procomps in the rear, 35 procomp xtreme AT , on rock star rims
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post #10 of 27 (permalink) Old 04-21-2010, 12:59 PM
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I have a Cali LB7 with EGR and want to delete mine too or just block it off. Does the LB7 throw a code too if you block it off or is it just the newer models?

2004 GMC 2500HD LB7 CCSB
Edge Juice w/attitude
4" downpipe back MBRP exhaust
Leveled running 285/70R17 Nitto Terra grapplers
6k HID lows and fogs
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