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Duramax Fifth Generation: 2011-2016 (LML) Discuss the fifth generation (2011-2016) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.

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Old 03-08-2019, 12:28 PM   #1 (permalink)
dmax3500
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code ''p2495'',in crestview-fl

anybody have a ''h&s mini maxx tuner?


I need to clear/delete the ''EGR bypass coolent valve system,


so I can get home


its in 55mph limp mode


ive talked to 2 different shops here and nobody has a tuner in-stock


and local chevy dealer wants $3200 and lift the cab to replace the valve,on a 2013 Silverado 2500

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Old 03-08-2019, 12:42 PM   #2 (permalink)
Ron Nielson
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Do you need a tuner, specifically, to do what you want? Most national auto parts stores ( O'reilly's, Autozone, etc) have pretty sophisticated scanners that will read and clear most all DTC codes and they do it without any charge.

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Old 03-08-2019, 01:03 PM   #3 (permalink)
dmax3500
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yes,im told I need a tuner


I have a ''tech2'' in the truck,and every time I clear the code it comes right back,


I cant cycle the ''EGR COOLENT BYPASS VALVE'' from 0-100%,only 80-90%,,egr bypass motor goes from 0-100%-when commanded


the valve is probably ''sooted-up''


if I could get a tuner to kill the ''EGR'' system I could get back home


this damned GOV emissions crap is killing the whole diesel truck market
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Old 03-08-2019, 01:08 PM   #4 (permalink)
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Quote:
Originally Posted by dmax3500 View Post
yes,im told I need a tuner


I have a ''tech2'' in the truck,and every time I clear the code it comes right back,


I cant cycle the ''EGR COOLENT BYPASS VALVE'' from 0-100%,only 80-90%,,egr bypass motor goes from 0-100%-when commanded


the valve is probably ''sooted-up''


if I could get a tuner to kill the ''EGR'' system I could get back home


this damned GOV emissions crap is killing the whole diesel truck market
Dmax3500,

I posted a forum-wide announcement to help get the word out.
Please keep us updated on the issue here.

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Last edited by OkDually; 03-08-2019 at 01:08 PM.
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Old 03-08-2019, 01:58 PM   #5 (permalink)
dmax3500
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thanks


as soon as I get back home ,this is going to be fixed-''FOREVER''


I cant believe,GM would let the EPA/GOV do this crap ,
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Old 03-09-2019, 05:49 PM   #6 (permalink)
sfcjones
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Crestview is about 3 hours from me but all I have is EFI Live and no license.
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Old 03-09-2019, 06:48 PM   #7 (permalink)
dmax3500
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thanks,,


ive got a buddy fedex'ing me a h&s tuner,just so I can get home,[guy in mobile has a tuner for sale-but wont answer his phone or return texts for 2 days]


im just going stir crazy ,and need to get back north


but I spent the day at NAS Pensacola navy museum and Eglin's armaments museum


and an hour sitting at the end of Eglin's runway watching the ''F15e,F22 Raptors,V22 Ospreys'',flying around [until base security,told me to move]
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Old 03-10-2019, 06:19 AM   #8 (permalink)
sfcjones
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Well atleast it is warmer where you are...
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2009 Chevy CC 2500HD LTZ LMM Z71 283k miles
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Old 03-12-2019, 01:26 AM   #9 (permalink)
dmax3500
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UPDATE




tuner came,at noon,


and im back on the road,passing thru Nashville ,,and back home


thanks to everybody


I still cant believe GM let the GOV do this speed limited thing,to these trucks
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Old 03-12-2019, 08:29 AM   #10 (permalink)
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Quote:
Originally Posted by dmax3500 View Post
UPDATE




tuner came,at noon,


and im back on the road,passing thru Nashville ,,and back home


thanks to everybody


I still cant believe GM let the GOV do this speed limited thing,to these trucks
Glad you are back on the road and thanks for the update.
I've moved this thread over to the "LML section" for any further follow up posts.



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1996 K3500 6.5L,( "F" Eng #141 cast block) 5 speed manual, crewcab, dually longbed: 208,000mi.
Diamond Eye 4" Turbo Back Exhaust w/2.5" Flo-Pro Crossover
AirDog II DF165 w/ tank sock delete - XDP
TD-Max boost controller - Kennedy Diesel
OPS extension hose - Leroy Diesel
Glow Plug Harness- PT Wiring Solutions
Glowshift Maxtow EGT,Boost, Fuel gauges
Boost & Fuel Pressure Bolts - Leroy Diesel
2/0 Battery Cable Upgrade - PT Wiring Solutions
PMD w/#9 resistor and Re-Location Kit, mounted to bumper - Leroy Diesel
GM-5 Turbocharger
4.10 gear ratio
OptiLube summer + Formula


Proud member #1039 of The 3500 Dually Club

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