New flash
Freshman User
Joined: Aug 2004
Posts: 45
Likes: 0
From: St. Charles, MO
Before this flash I was only getting about 13-14 MPG, unloaded. That was from a crappy flash that I got in the beginning of Sept. Before that flash my stock flash was getting 16-18 MPG. I would love just to get back to where I was.
Senior User
Joined: Jul 2004
Posts: 411
Likes: 0
Originally Posted by SBV45
What HFCM recall?
2003-2004 6.0 Water In Fuel Lamp Illuminated:
Some trucks may exhibit a water in fuel lamp that continues to illuminate after draining the water separator. This may be due to sedimate build up in the water reservoir. Check the electrical connections at the fuel pump assembly. Replace the fuel manifold with part # 3C3Z-9B249-AB. TSB# 04-9-2
Mine only did it on left hand turns as apposed to some that stay lit, however they replaced it anyhow. I should be finished with my tank tomorrow, I will post before and after figures, calculated of course...
Best of Luck,
Corey
Postmaster
Joined: Sep 2004
Posts: 2,508
Likes: 0
From: Utopia
I have an 04/04 4x4 CC with what I believe to be the original flash. The truck gets bad mileage and has a turbo lag. I was expecting this, but what if the new one could make it better. Should I ask the dealer to do it or stay away and leave it alone?
Former Vendor
Joined: Mar 2004
Posts: 4,362
Likes: 3
From: Hendersonville, NC
Originally Posted by Customz
I have an 04/04 4x4 CC with what I believe to be the original flash. The truck gets bad mileage and has a turbo lag. I was expecting this, but what if the new one could make it better. Should I ask the dealer to do it or stay away and leave it alone?
Thread Starter
|
Postmaster
Joined: Aug 2003
Posts: 4,483
Likes: 2
From: Central Texas
Initial indicators are that I am now getting 16-16.5 city driving. I measured by filling to the same spot in the filler neck and dividing gallons into miles since last fillup. This was running totally stock with the EGR plugged in and the latest flash for me 3U7A-12A650-FTE. This included one run to show my tail pipe to a truck with "Hemi" written on it.Preevious I was getting 14-15 city with Predator 65HP.
I think this flash is a keeper..
FTE Leadership Emeritus
Joined: Jan 2003
Posts: 161,999
Likes: 75
From: 3rd Rock
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make
Brett Foote
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!
Michael S. Palmer
Ford's 2001 Explorer Sportsman Concept Looks For a New Home
Verdad Gallardo
10 Best Ford Truck Engines We Miss the Most!
Joe Kucinski
2026 Shelby F-150 Off-Road: Better Than a Raptor R?
Brett Foote
2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!
Michael S. Palmer
10 Most Surprising 2026 Ford Truck Features!
Joe Kucinski
Top 10 Ford Trucks Coming to Mecum Indy 2026
Brett Foote
5 Best / 5 Worst Ford Truck Wheels of All Time
Joe Kucinski
Senior User
Joined: Jul 2004
Posts: 411
Likes: 0
Flash Mileage Update
As promised I finished my tank off today. Calculated I am right around 16.5mpg average for the tank. My pre-flash average was about 15.5mpg. SWEET!!! By the way, I have a substantially larger draft than some other folks, so my mileage is less than it could be.
Best of Luck,
Corey
Can't wait to tow my trailer this weekend for deer season and find out how much different the shifts are. Just turning on tow/haul empty sure proves there is a big difference in shifts. As always I'll update when I get back... Happy Hunting!
Best of Luck,
Corey
Can't wait to tow my trailer this weekend for deer season and find out how much different the shifts are. Just turning on tow/haul empty sure proves there is a big difference in shifts. As always I'll update when I get back... Happy Hunting!
FTE Leadership Emeritus
Joined: May 2004
Posts: 18,787
Likes: 30
From: Melbourne, Aus
Originally Posted by Tim Lamkin
That is wonderfull to read
By the sounds of things people are getting better mileage, with no drop in performance, which is great, but
Does anyone know why?
What does this knew flash do?
Freshman User
Joined: Aug 2004
Posts: 45
Likes: 0
From: St. Charles, MO
I still haven't had to fill up since my truck was flashed on Monday but what I can say is that I have driven about 325 miles on just under 3/4 of a tank but I was a down about 3/8 of a tank when it was reflashed so I actually have no Idea what my milage is.
Freshman User
Joined: Aug 2004
Posts: 45
Likes: 0
From: St. Charles, MO
Originally Posted by RealMenPowerstroke!
As promised I finished my tank off today. Calculated I am right around 16.5mpg average for the tank. My pre-flash average was about 15.5mpg. SWEET!!! By the way, I have a substantially larger draft than some other folks, so my mileage is less than it could be.
Best of Luck,
Corey
Can't wait to tow my trailer this weekend for deer season and find out how much different the shifts are. Just turning on tow/haul empty sure proves there is a big difference in shifts. As always I'll update when I get back... Happy Hunting!
Best of Luck,
Corey
Can't wait to tow my trailer this weekend for deer season and find out how much different the shifts are. Just turning on tow/haul empty sure proves there is a big difference in shifts. As always I'll update when I get back... Happy Hunting!