Latest flash
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5th Wheeling
Joined: Mar 2006
Posts: 44
Likes: 1
Latest flash
I just took my truck in to have the turbo replaced and they gave it the latest flash whick cycles the injectors for about 10 seconds after you turn off the vehicle. Has anyone else recieved this flash? If so have you noteced any differences other than the injectors cycling
Freshman User
Joined: Nov 2006
Posts: 40
Likes: 0
From: Missouri
I've been reading alot about getting the PSD reflashed at the dealership. Is this something you can just take your truck in and ask for or does it have to be when it is already in the shop for other reasons? And does it cost anything if there is no other issues?
Senior User
Joined: Dec 2004
Posts: 178
Likes: 0
From: ontario canada
Some flashes are factory recalls. I think this one is on a complaint(ie: My truck is running rough at start up and smoking) Then they will do under warranty. That is if truck is still under warranty. If out you MAY have to pay deductible. i am sure someone will chime in if I am mistaken.
New User
Joined: Jun 2006
Posts: 2
Likes: 0
Latest flash
I just had my California 6.0 reflashed due to the emissions recall and it's horrible!
It holds onto gears longer on change up, and is reluctant to change into top at slow speeds. Feels gutless compared to before which was great. Also It's dropped my mileage towing a 22ft trailer down to 11mpg - used to get 13.8mpg.
So I'm taking it back!
It's stock apart from K+N Aircharger Intake I just fitted - which I'm sure should have helped it...
Anyone have similar experience or ideas?
It holds onto gears longer on change up, and is reluctant to change into top at slow speeds. Feels gutless compared to before which was great. Also It's dropped my mileage towing a 22ft trailer down to 11mpg - used to get 13.8mpg.
So I'm taking it back!
It's stock apart from K+N Aircharger Intake I just fitted - which I'm sure should have helped it...
Anyone have similar experience or ideas?
Postmaster
Joined: Dec 2003
Posts: 4,196
Likes: 10
From: Arizona
Originally Posted by PaulEnglish
I just had my California 6.0 reflashed due to the emissions recall and it's horrible!
It holds onto gears longer on change up, and is reluctant to change into top at slow speeds. Feels gutless compared to before which was great. Also It's dropped my mileage towing a 22ft trailer down to 11mpg - used to get 13.8mpg.
So I'm taking it back!
It's stock apart from K+N Aircharger Intake I just fitted - which I'm sure should have helped it...
Anyone have similar experience or ideas?
It holds onto gears longer on change up, and is reluctant to change into top at slow speeds. Feels gutless compared to before which was great. Also It's dropped my mileage towing a 22ft trailer down to 11mpg - used to get 13.8mpg.
So I'm taking it back!
It's stock apart from K+N Aircharger Intake I just fitted - which I'm sure should have helped it...
Anyone have similar experience or ideas?
Sorry to hear about your mileage decrease, but be aware that winter diesel fuel is now at many of the stations, and this will reduce fuel mileage.
As far as the K&N intake goes, it will do Nothing Good for your 6.0. The K&N system along with all A/M air intakes for the 6.0 can and will lead to dusting of your turbo and engine. Also FMC is noted for not honoring any warranty claims on the motor with and A/M intake installed. It has been proven many times at FTE by the guys who race the 6.0 that the factory Donaldson air filtration system is the best system on the market. The factory stock system flows more air than the engine can use until you get to Extreme Mods (more than a tuner and exhaust). Also the only way the A/M intakes flow more air is to increase the hole size in the filtration media, thus letting more dirt into the engine. Word to the wise, remove your K&N intake, reinstall the factory Donaldson system and return your K&N for a refund.
Hope this helps
New User
Joined: Jun 2006
Posts: 2
Likes: 0
Thanks for the advice Blackhat.
Re the A/M intake, mmmm I see what you mean - given the hype and reputation of the K&N especially I'd have thought it would have been safe and improved performance and/or mpg.
I have to confess I just wanted to DO SOMETHING! I've read all sorts of posts from owners with major mods, but overall I've been real happy with my stock truck....until the last flash which really changed it.
Re Winter diesel - I didn't realize it made so much difference 2+ mpg?
Question? What mpg to guys with big trailers and 5th wheels get towing? I really thought that a modern big, low stressed V8 would have done better than 11 with my small trailer (cruising at 65).
Re the A/M intake, mmmm I see what you mean - given the hype and reputation of the K&N especially I'd have thought it would have been safe and improved performance and/or mpg.
I have to confess I just wanted to DO SOMETHING! I've read all sorts of posts from owners with major mods, but overall I've been real happy with my stock truck....until the last flash which really changed it.
Re Winter diesel - I didn't realize it made so much difference 2+ mpg?
Question? What mpg to guys with big trailers and 5th wheels get towing? I really thought that a modern big, low stressed V8 would have done better than 11 with my small trailer (cruising at 65).
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Postmaster
Joined: Dec 2003
Posts: 4,196
Likes: 10
From: Arizona
PaulEnglish,
"given the hype and reputation of the K&N especially"
Key word here is "Hype" more hype than substance.
If you want to make mods to your truck, first choice should always be gauges (EGT, Boost, Trans Temp), Coolant Filter, Exhaust.
Yes winter fuel can make a big drop in MPG and performance due to the lower BTU's available in winter fuel.
MPG towing heavy can vary alot depending on terrain, driving style, ambient temp, etc. When i tow heavy (15K - 22K GCW), MPG varies from 8-12.
Hope this helps
"given the hype and reputation of the K&N especially"
Key word here is "Hype" more hype than substance.
If you want to make mods to your truck, first choice should always be gauges (EGT, Boost, Trans Temp), Coolant Filter, Exhaust.
Yes winter fuel can make a big drop in MPG and performance due to the lower BTU's available in winter fuel.
MPG towing heavy can vary alot depending on terrain, driving style, ambient temp, etc. When i tow heavy (15K - 22K GCW), MPG varies from 8-12.
Hope this helps
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Senior User
Joined: Jul 2005
Posts: 332
Likes: 0
From: So Cal
Paulenglish, I have a Cali model and experienced exactly the same thing. Fuel economy dropped 2 mpg, power is way down, rpms are way up to get even close to the same boost, and it does hang onto the gears longer. I find just letting off the throttle a little will get it to shift sooner. When you get it figured out, let me know. The dealer claims this is expected from the flash (he says they have detuned them - disputed by some on here, yet others have had similar problems after the flash), and the tech I talked to claims he may have an idea (related to some tube drain change on the turbo) but can't touch it until it throws a code or leaves me on the side of the road. Good luck.
Postmaster
Joined: Jan 2003
Posts: 4,417
Likes: 3
From: Durham, NC
Originally Posted by blackhat620
First off welcome to FTE lots of good people and info around here
Sorry to hear about your mileage decrease, but be aware that winter diesel fuel is now at many of the stations, and this will reduce fuel mileage.
As far as the K&N intake goes, it will do Nothing Good for your 6.0. The K&N system along with all A/M air intakes for the 6.0 can and will lead to dusting of your turbo and engine. Also FMC is noted for not honoring any warranty claims on the motor with and A/M intake installed. It has been proven many times at FTE by the guys who race the 6.0 that the factory Donaldson air filtration system is the best system on the market. The factory stock system flows more air than the engine can use until you get to Extreme Mods (more than a tuner and exhaust). Also the only way the A/M intakes flow more air is to increase the hole size in the filtration media, thus letting more dirt into the engine. Word to the wise, remove your K&N intake, reinstall the factory Donaldson system and return your K&N for a refund.
Hope this helps
Sorry to hear about your mileage decrease, but be aware that winter diesel fuel is now at many of the stations, and this will reduce fuel mileage.
As far as the K&N intake goes, it will do Nothing Good for your 6.0. The K&N system along with all A/M air intakes for the 6.0 can and will lead to dusting of your turbo and engine. Also FMC is noted for not honoring any warranty claims on the motor with and A/M intake installed. It has been proven many times at FTE by the guys who race the 6.0 that the factory Donaldson air filtration system is the best system on the market. The factory stock system flows more air than the engine can use until you get to Extreme Mods (more than a tuner and exhaust). Also the only way the A/M intakes flow more air is to increase the hole size in the filtration media, thus letting more dirt into the engine. Word to the wise, remove your K&N intake, reinstall the factory Donaldson system and return your K&N for a refund.
Hope this helps
Senior User
Joined: Nov 2004
Posts: 216
Likes: 0
I had the snap ring replaced on the transmission, now when I engage the tow/haul button, it does not drop down a gear to help slow the truck down. Service writer says the new flash reprogrammed the transmission. I would like to have the old settings back.
Senior User
Joined: Aug 2006
Posts: 101
Likes: 0
Well I had mine flashed last week and I've noticed no difference, just the injectors cycling after i shut the engine off(kind of annoying, but it's supposed to help in the long run). As far as tranny differences, again none. I just pulled my 22' tt and the tow/haul worked just fine, down shifted and eveything as normal. The tech who did your flash possibly could not have completed it, thus giving you your issues? I've heard this account many times by others here, but I'll let them chime in on that.
Got Diesel?
Joined: Jan 2004
Posts: 4,345
Likes: 21
Originally Posted by PaulEnglish
I just had my California 6.0 reflashed due to the emissions recall and it's horrible!
It holds onto gears longer on change up, and is reluctant to change into top at slow speeds. Feels gutless compared to before which was great. Also It's dropped my mileage towing a 22ft trailer down to 11mpg - used to get 13.8mpg.
So I'm taking it back!
It's stock apart from K+N Aircharger Intake I just fitted - which I'm sure should have helped it...
Anyone have similar experience or ideas?
It holds onto gears longer on change up, and is reluctant to change into top at slow speeds. Feels gutless compared to before which was great. Also It's dropped my mileage towing a 22ft trailer down to 11mpg - used to get 13.8mpg.
So I'm taking it back!
It's stock apart from K+N Aircharger Intake I just fitted - which I'm sure should have helped it...
Anyone have similar experience or ideas?
1) Try unplugging both batteries.
2) Open a door to clear all power from all fuses
3) Wait 5 - 10 minutes (have a beer).
4) Reconnect both batteries
5) Start truck and let idle for 5 minutes (lets PCM relearn EGR closed at idle)
6) Shut off - restart - let idle for 5 minutes
7) Drive truck for 20 minutes or more at varying speed to allow PCM and TCM to relearn driving habits and shift points. Must shift through all gears a few times.
8) After doing step 7 for a while - more time is better than less... let us know what you think and how your truck behaves.... I would think it may improve!!!
Good luck,
Senior User
Joined: Jul 2005
Posts: 332
Likes: 0
From: So Cal
Beachbum,
Those of us in California were stuck with the emmissions recall that is very manditory. We can not re-register our trucks until it is done. I too tried the battery disconnect and it did not make any improvements. It definately affected something, the same as Paulenglish...exactly the same. Maybe it is a Cali issue only.
Those of us in California were stuck with the emmissions recall that is very manditory. We can not re-register our trucks until it is done. I too tried the battery disconnect and it did not make any improvements. It definately affected something, the same as Paulenglish...exactly the same. Maybe it is a Cali issue only.