3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

new 06 flash coming (possible mpg flash)

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Old 04-27-2006, 07:37 PM
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new 06 flash coming (possible mpg flash)

Well, picked up the truck from the dealer and the service guy said there is a new motor flash on its way for the trucks and hes thinking it is for MPG for the guys with autos.

Just thought you guys should know...theres still a chance some of us will get a mpg gain.
Old 04-27-2006, 09:56 PM
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thats awesome news! Whos going to be the test dummy??
Old 04-27-2006, 10:38 PM
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I know a lot of you guys will call BS but 2 weeks ago with just under 5000 miles I had a cel come on. Took it to my dealer and they did 2 tsb's.
18-003-06
18-005-06
I then went on a 400 mile road trip empty driving mostly 60-65. I was lucky to get 17 mpg before flash. After flash and the road trip I filled up and hand calculated I got 22.8 mpg's unfreakenbelievable!!! I am going to tow 5000 lb boat this weekend to see what that is like.
Old 04-27-2006, 10:40 PM
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thats awesome...i hope us auto guys have that good of luck.
Old 04-28-2006, 05:16 AM
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ACROJET:

Well i guess i am not the only one on DTR thats getting that kind of milage then. I got 22.5 handcalculated and i don't have any of those TSB's its plain stock. I was doing 65 mph and using Howes.
Old 04-28-2006, 08:22 AM
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Originally Posted by 06Cummins
thats awesome news! Whos going to be the test dummy??

Shoot..I will, I got nothing to lose, except 13mpg
Old 04-28-2006, 09:12 AM
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hah yea me too. I got 13.68 last tank HC but it was stricktly around town in extreme stop and go driving with a very very light foot....Jason
Old 04-28-2006, 09:42 AM
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Originally Posted by arcojet
I know a lot of you guys will call BS but 2 weeks ago with just under 5000 miles I had a cel come on. Took it to my dealer and they did 2 tsb's.
18-003-06
18-005-06
I then went on a 400 mile road trip empty driving mostly 60-65. I was lucky to get 17 mpg before flash. After flash and the road trip I filled up and hand calculated I got 22.8 mpg's unfreakenbelievable!!! I am going to tow 5000 lb boat this weekend to see what that is like.

hey arcojet, what were the tsb's for? can't find them on the tsb index.
Old 04-28-2006, 10:08 AM
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Sorry, all I know is I had the hard start, extended crank time problem and then the check engine light came on so I took it to the dealer and they said they did those 2 updates and that I would be getting better milage also. I didn't get any technical info. The flashes only fixed the hard start problem for about a week, its back???
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