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11-17-2012, 07:47 AM
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#1 (permalink) |
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Diesel Enthusiast
Join Date: Aug 2012
Location: Cleburne, TX
Posts: 24
iTrader Score: 0 reviews
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EGR removal
I have been researching and reading up on here about removing EGR from the Durmax. I see some people say we have EGR and some say we don't. I need to get a clear clarification on whether we have it or not. I have a 2002 and I would like to get mine removed! Is there a kit for it or do I have to have a programmer of some sort to remove the codes. Somebody please help me so I can help others who needs to get theirs remove as well. Any help would be appreciated.
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11-17-2012, 03:35 PM
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#2 (permalink) |
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Diesel Master
Join Date: Sep 2006
Location: Northwest, Mo.
Posts: 1,287
iTrader Score: 0 reviews
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Is it a California truck originally? If its a federal emissions truck with a LB7 it never had egr.
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2004 EC/SB 4X4 LB7 ALLISON ULTRA-LITE PILLAR MOUNT BOOST/PYRO MBRP 4 INCH TURBO BACK EFI W/DSP5 TUNES BY NICK AT DURAMAXTUNER.COM BCI COLD AIR INTAKE W/ AEM DRY FILTER BUILT TRANNY BY SMOKIN DIESEL PERFORMANCE (MIKE BODINE) W/ML CONVERTER MOTO METAL CHROME 955's W/305/65/17 DC CRUSHERS PYOs W/285/75/16 NITTO TGs WINTER COOTER TIE ROD SLEEVES/TRACTION BARS ALL ON HEADLIGHT MOD GOODMARK 2 INCH COWL HOOD
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11-17-2012, 03:37 PM
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#3 (permalink) |
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Diesel Master
Join Date: Sep 2006
Location: Northwest, Mo.
Posts: 1,287
iTrader Score: 0 reviews
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Only california emission lb7 trucks had egr on them. Federal emission trucks with lb7s never did.
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2004 EC/SB 4X4 LB7 ALLISON ULTRA-LITE PILLAR MOUNT BOOST/PYRO MBRP 4 INCH TURBO BACK EFI W/DSP5 TUNES BY NICK AT DURAMAXTUNER.COM BCI COLD AIR INTAKE W/ AEM DRY FILTER BUILT TRANNY BY SMOKIN DIESEL PERFORMANCE (MIKE BODINE) W/ML CONVERTER MOTO METAL CHROME 955's W/305/65/17 DC CRUSHERS PYOs W/285/75/16 NITTO TGs WINTER COOTER TIE ROD SLEEVES/TRACTION BARS ALL ON HEADLIGHT MOD GOODMARK 2 INCH COWL HOOD
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11-17-2012, 10:32 PM
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#4 (permalink) | ||
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Diesel Master
Join Date: Oct 2003
Location: Coeur d' Alene, ID
Posts: 1,025
iTrader Score: 0 reviews
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Quote:
Quote:
While YF5 (ca emission) had EGR and cat for the 02 model year and after, the following federal and other regions also had cat and EGR. They are NF4 and VCL (federal emissions and clean fuel vehicle emission) and NE1 (MA, ME, NY and/or VT). FE9 federal emissions all other regions had no EGR and cat until the 2004.5 year model or LLY engine. This information has been posted many times on this site. Now, to answer the OP's question, the only real and effective way of dealing with the EGR is EFI live to block the EGR function in the ECU and prevent a CEL. There is no kit for this. On mine, I removed the vacuum pump and left everything else in place. If you want to remove all those solenoids by the fuel filter, you WILL need EFI to turn off the monitoring of those circuits within the ECU. I left my EGR valve in place. It is the cheapest blocker you can buy. It takes at least 20psi boost to overcome the EGR valve spring. There is a 2nd baro sensor just behind the fuel filter. Do not remove this one or your power and performance will suck. This sensor cannot be disabled but that is ok, the ECU only needs to see an electrical connection with it.
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GMC '04 2500HD SLE CC D/A LB7 SB Summit White, LineX, Nicktane, JK headlight harness and fuel pump with harness, HIR lowbeams, Banks exhaust, EFI Live, Horn mod, Suncoast 6 speed conversion, injectors at 112,265, injector #8 replaced at 136,078 and again all 8 at 168,368. VW '02 Jetta Wagon TDI 6 spd ERF, Bosio DLC520 injectors, Malone stage 2 tuning. VW '01 NB TDI 6 spd ERF, Bosio PP764 nozzles, Malone stage 2 tuning. Driving made fun! Last edited by maxinDixon; 11-17-2012 at 10:40 PM. |
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11-17-2012, 10:38 PM
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#5 (permalink) |
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Diesel Enthusiast
Join Date: May 2011
Location: Auburn, IL
Posts: 19
iTrader Score: 0 reviews
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you can remove it or block it with a LLY blocker plate if you dont want to mess with getting a federal emissions up pipe, serp belt and other misc things but the CEL will be an issue as previously stated
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Zac 2003 LB7 White EC/SB EFI by Rob w/DSP 5 / BigDipper trans with ML converter(built by Todd=Stroke 250) / Raptor 150 / Big Dipper 45% over injectors / Wicked Stage 3 Stroker pump / 4in MBRP dp back to a 6" black Mitre cut stack / 8000K HID Hi/Low / Recon smoked LED tails, cabs, and 3rd brake / Rancho 9000's / DHD Steering brace |
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11-17-2012, 10:44 PM
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#6 (permalink) |
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Diesel Master
Join Date: Oct 2003
Location: Coeur d' Alene, ID
Posts: 1,025
iTrader Score: 0 reviews
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There is no point in installing a blocker plate on the LB7 unless you are running a big tune requiring more that 20psi boost. The valve has a heavy spring to keep it closed. Also the tune is still geared with EGR function in mind.
Check out this post. There are links to a post with all of the components to the EGR setup including a schematic. Also a link to the thread on all you ever wanted to know about this headache. lb7 egr code
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GMC '04 2500HD SLE CC D/A LB7 SB Summit White, LineX, Nicktane, JK headlight harness and fuel pump with harness, HIR lowbeams, Banks exhaust, EFI Live, Horn mod, Suncoast 6 speed conversion, injectors at 112,265, injector #8 replaced at 136,078 and again all 8 at 168,368. VW '02 Jetta Wagon TDI 6 spd ERF, Bosio DLC520 injectors, Malone stage 2 tuning. VW '01 NB TDI 6 spd ERF, Bosio PP764 nozzles, Malone stage 2 tuning. Driving made fun! Last edited by maxinDixon; 11-17-2012 at 10:50 PM. |
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11-18-2012, 12:57 PM
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#7 (permalink) | |
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Diesel Master
Join Date: Mar 2005
Posts: 1,540
iTrader Score: 0 reviews
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Quote:
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02 GMC 2500HD D/A 4x4 RC/LB 12.26@109 168k 02 GMC 2500HD D/A 4x4 EC/SB 267K #13...A(ACLU) |
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11-18-2012, 02:11 PM
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#8 (permalink) |
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Diesel Master
Join Date: Oct 2003
Location: Coeur d' Alene, ID
Posts: 1,025
iTrader Score: 0 reviews
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Don't know about nf2. Friend has an 03 NF4 and it does have egr and cat.
__________________
GMC '04 2500HD SLE CC D/A LB7 SB Summit White, LineX, Nicktane, JK headlight harness and fuel pump with harness, HIR lowbeams, Banks exhaust, EFI Live, Horn mod, Suncoast 6 speed conversion, injectors at 112,265, injector #8 replaced at 136,078 and again all 8 at 168,368. VW '02 Jetta Wagon TDI 6 spd ERF, Bosio DLC520 injectors, Malone stage 2 tuning. VW '01 NB TDI 6 spd ERF, Bosio PP764 nozzles, Malone stage 2 tuning. Driving made fun! Last edited by maxinDixon; 11-18-2012 at 02:13 PM. |
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11-18-2012, 07:34 PM
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#9 (permalink) |
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Diesel Master
Join Date: Oct 2003
Location: Coeur d' Alene, ID
Posts: 1,025
iTrader Score: 0 reviews
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As an edit to my above post, the NF4 is clean fuel fleet vehicle and had EGR and cat at least starting with 03 as evidenced with my buddies truck.
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GMC '04 2500HD SLE CC D/A LB7 SB Summit White, LineX, Nicktane, JK headlight harness and fuel pump with harness, HIR lowbeams, Banks exhaust, EFI Live, Horn mod, Suncoast 6 speed conversion, injectors at 112,265, injector #8 replaced at 136,078 and again all 8 at 168,368. VW '02 Jetta Wagon TDI 6 spd ERF, Bosio DLC520 injectors, Malone stage 2 tuning. VW '01 NB TDI 6 spd ERF, Bosio PP764 nozzles, Malone stage 2 tuning. Driving made fun! |
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11-21-2012, 09:58 AM
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#10 (permalink) |
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Diesel Enthusiast
Join Date: Aug 2012
Location: Cleburne, TX
Posts: 24
iTrader Score: 0 reviews
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All I know is I got my truck from my father-in-law and I need a simple answer to my question here. Some of this stuff you guys are telling me are over my head since I'm a newbie.
What do I need to do to find out if it does have EGR or not?? Thanks for your help guys! |
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