6.4 losing antifreeze.. Help. - Ford Powerstroke Diesel Forum
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post #1 of 21 Old 11-02-2012, 07:29 AM Thread Starter
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6.4 losing antifreeze.. Help.

Im new to this forum and to owning my 2008 f350 swr. Job 3.
I've had the truck a little over a month and at the beginning of this week it started losing some coolant and will white smoke some. Mechaine says the egr is bad causing it to leak antifreeze and blow some out my pipe. So I ordered a egr delete and mini maxx.

I have a few questions, do you all think it's the egr bad? Also I'm delete my cat, dpf and muffler and I was wondering what's a good daily driver hp tune that won't blow my transmission or slip it. Thanks!!
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post #2 of 21 Old 11-02-2012, 07:33 AM Thread Starter
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Also my check engine light came on when I was on my way home after noticing it had coolant lost. The 3 codes are P0480- fan 1 control circuit, P0528- fan speed sensor circuit no signal, and P0337- crankshaft position sensor a circuit low, also the egr code come up most of the time? Are these normal codes I would see or is it my egr bad causing them to read that. They just came on my way home from work. The check engine light was never on until then.
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post #3 of 21 Old 11-02-2012, 07:36 AM
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I can't say for the codes you're getting, but I would suspect an EGR cooler as well. The tuner and full delete should resolve that of course. I preferred the standard H&S tunes and you should be safe to run the Mild (80hp) and Wild settings (175hp), even the Hot (250hp) on occasion will be fine. The 6.4 motor and trans is quite stout, just use your better judgement and don't drive it like you stole it...
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post #4 of 21 Old 11-02-2012, 07:43 AM Thread Starter
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Thanks for the fast reply, the parts just came in last night so I should have the delete on tonight. The mini maxx said it was built just last month and it already has the hot damn tune on it.. That's more then what I'm wanting though, hows the 175 run? Or would I be better running the easy level 120 tune?
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post #5 of 21 Old 11-02-2012, 08:11 AM
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Quote:
Originally Posted by Cah430 View Post
Thanks for the fast reply, the parts just came in last night so I should have the delete on tonight. The mini maxx said it was built just last month and it already has the hot damn tune on it.. That's more then what I'm wanting though, hows the 175 run? Or would I be better running the easy level 120 tune?
If you run the easy tunes, they function the egr while the mild and hot damm don't so it all depends on if you want your egr functioning.

08 F350 JOB 1
H&S MINI MAXX HD300 W/S1M
SINISTER EGR/COOLER DELETE
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post #6 of 21 Old 11-02-2012, 08:34 AM
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Yeah just run whatever tune makes you feel most comfortable. You don't want to drive around all the time worrying. And since you're deleting the egr you don't have to worry about the lower tunes functioning the egr.



2008 F-250 KR
7" ICON
7" PMF blocks
Bilstein 5160F/5100R
22x14 Fuel Octane
37" Toyo M/T
H&S Mini Maxx w/ Gearhead tuning!
5" Diamond Eye
4" Diamond Eye DP
ARP head studs
Custom Stock Intake

RCD converter, HD billet input, low/rev hub, suncoast clutches.
160k miles and counting...
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post #7 of 21 Old 11-05-2012, 10:43 AM
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I may be wrong here but the higher tune you run the better MPG you will get. Run the HD300 tune and like someone else here said, drive it responsibly. I have the mini and I run the HD300 tune all day, except when towing my boat then I run HD300 but back down the power.

2008 F250 Harley Davidson 4x4, Upgraded LED lighting, JL Audio 13.5" Stealthbox, JL Audio C3 door speakers, JL Audio 500.1 for the stealthbox, JL Audio 400.4 for the doors, Viper 5704 alarm/SmartStart and GPS tracker, JimmiJammer door plates, JimmiJammer gateguard, Delete front lock/rear handle swap, DPF delete, MiniMaxx, 2.5" level, Sinister coolant filter, 55w 6000k HID's driving/fog lights, S+B CAI, MBRP 5" DP back exhaust, 35x12.5x20 TIS 20" rims, Nitto Trail Grapplers, adjustable track bar.
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post #8 of 21 Old 11-05-2012, 10:52 AM
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Quote:
Originally Posted by tony97gt View Post
I may be wrong here but the higher tune you run the better MPG you will get. Run the HD300 tune and like someone else here said, drive it responsibly. I have the mini and I run the HD300 tune all day, except when towing my boat then I run HD300 but back down the power.
That's what the word on the street is.



2008 F-250 KR
7" ICON
7" PMF blocks
Bilstein 5160F/5100R
22x14 Fuel Octane
37" Toyo M/T
H&S Mini Maxx w/ Gearhead tuning!
5" Diamond Eye
4" Diamond Eye DP
ARP head studs
Custom Stock Intake

RCD converter, HD billet input, low/rev hub, suncoast clutches.
160k miles and counting...
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post #9 of 21 Old 11-05-2012, 10:58 AM
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The Mini Maxx automatically turns the EGR system off when installed, and to properly delete the EGR you will need to add an external Wastegate system to relieve excess drive pressures from the factory compounds.. We have seen one to many failures to just sell blocker plates instead of the Proper wastegate kit... Just something to keep in mind.

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http://www.alligatorperformance.com/

1995 F-250 5spd, 250/100s, T-500 HPOP Colt Stg. 2 cam, Irate Comp E-Fuel, WOP Head Studs, 3in Billet RiffRaff Plenums, Irate T4 Pedestal, S366, 99+ Intercooler, SBC Clutch, 4in Diamond Eye Duals
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post #10 of 21 Old 11-05-2012, 11:15 AM
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6.4 powerstroke , coolant loss , egr delete , h&s mini maxx

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