6.4 high egt's w/ h&s, 4x4, and tire sensor - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

 
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post #1 of 9 Old 04-14-2011, 12:40 PM Thread Starter
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6.4 high egt's w/ h&s, 4x4, and tire sensor

Ive got 3 questions...maybe you can help...?

I finally make it to remote road near my house and want to see what the truck will do from a boosted launch with the hot damn tune. Build boost to about 5 psi and take off ....and the mini starts beeping at around 70 mph. Check it and looks like im defueling because pyro 1 temp. reached 1450. This was what the mini was pre set to when it arrived. I have stock exhuast with dpf/cat delete & s&b intake.

1) Is it normal for temps to get this high? How accurate is the reading on the H&S mini because the tire size adjustment is no where in the ballpark according to my gps?

Go to engage 4x4 and Im hearing morse code light clicking sound through driver side a/c vent, even louder while holding brakes -maybe vac. line is loose that activates 4x4?
2) Any suggestion on what and where to check?

Out of the blue on my way home from Houston to Ft Worth-I get dash light saying tire sensor fault. I just had new 35's put on about 2 months ago...I know i have plenty of air pressure...Just dont wanna spend half a day of my time replacing dpf and intake to make it look stock.
3)Anyway to isolate the problem on which sensor is bad?

Thanks in Advance~

'08 F-250 Lariat 4x4 CC SB, Toyo MT's 35/12.5/20's, S&B intake, DPF/Cat delete, H&S Mini Maxx
'08 GMC Yukon Denali 6.2 AWD
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post #2 of 9 Old 04-15-2011, 07:05 AM
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bump for ya

09 F-250 Superduty CCSB
SOLD
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post #3 of 9 Old 04-15-2011, 07:11 AM
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as far as egt goes...yes thats normal i have the same setup juts with afe intake, when i wanna run a 1/4 mile or let it go wide open i raise my boost defuel to 55 and my egt defuel to off...just a few seconds at 1700 degrees is ok you just dont want it running that high when towing down the highway...as for the rest idk

im sure someone will chime in on this topic

Casey

New Truck
15' F-350 King Ranch 4x4 CCLB
Stock for now!

Old Truck
08' F-350 King Ranch 4x4 CCSB
H&S Mini Maxx 300 HD
5" Straight Pipe to 7" rolled tip
AFE S2 PDS
ARP Head Studs
FloPro EGR Delete with Intake Elbow
FloPro CAC pipe
Rebuilt beefed up OEM Up pipes
Deisel Site Coolant Filter
Firestone RideRite Airbags
Leveled
35X12.50R20 ProComp Xtreme A/T
Ranch Hand Front and Rear Replacement Bumpers
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post #4 of 9 Old 04-15-2011, 08:20 AM
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My '09 has the Tire Sensor Fault as well... others do to. Been too busy to see the dealer over it but other have without success. In my case, all sensors respond normally to reset/sync then will fault off and on as I drive long distances.

Another TPMS thread ....

Jugernaut provided some good info in this thread... dealer needs to be engaged.

"Tire Pressure Sensor Fault" - how to isolate which sensor?

2009 F-350 Lariat 4x4 CC LB
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post #5 of 9 Old 04-15-2011, 08:39 AM
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wow, i dont think i would want my egt's over 1450!

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Originally Posted by madpowerstroke View Post
Try spinning a turbo with compressed air and hit it with diesel clean as you inhale at the turbo outlet, I call it a turbo bong.........that's some good stuff, makes you come up with all kinds of crazy ideas.


2010 F450 Super Duty Lariat Ultimate, 140,xxx Miles. 5" DP Back. Black Maxx. AFE Pro 5R Stage 2. ARP studs new heads and gaskets.
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post #6 of 9 Old 04-15-2011, 08:46 AM
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For short burst and quarter mile etc it is safe getting your EGT that high . You just do not want to do it for long periods of time.
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post #7 of 9 Old 04-15-2011, 08:54 AM
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i dont think you would want repeated exposure to that temp either. once and awile to test it out, or race is one thing. but on a daily or even weekly basis i would think there would be some long term effects, but maybe im too careful or conservative. or possibly its because i cant afford to fix stuff when it breaks

Quote:
Originally Posted by madpowerstroke View Post
Try spinning a turbo with compressed air and hit it with diesel clean as you inhale at the turbo outlet, I call it a turbo bong.........that's some good stuff, makes you come up with all kinds of crazy ideas.


2010 F450 Super Duty Lariat Ultimate, 140,xxx Miles. 5" DP Back. Black Maxx. AFE Pro 5R Stage 2. ARP studs new heads and gaskets.
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post #8 of 9 Old 04-15-2011, 09:47 AM
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cody on thes newer rigs with the DPF systems they are built to withstand the higher temps, because weekly when you have the dpf system still on and it goes into regen your egt's will exceed 1400 degrees easily

Casey

New Truck
15' F-350 King Ranch 4x4 CCLB
Stock for now!

Old Truck
08' F-350 King Ranch 4x4 CCSB
H&S Mini Maxx 300 HD
5" Straight Pipe to 7" rolled tip
AFE S2 PDS
ARP Head Studs
FloPro EGR Delete with Intake Elbow
FloPro CAC pipe
Rebuilt beefed up OEM Up pipes
Deisel Site Coolant Filter
Firestone RideRite Airbags
Leveled
35X12.50R20 ProComp Xtreme A/T
Ranch Hand Front and Rear Replacement Bumpers
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post #9 of 9 Old 04-15-2011, 12:53 PM
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Wow, thats good to know, that must be a tough mother! to withstand on a regular basis what would melt down most. i am kinda growing fond of the 6.4 maybe when my 7.3 is wore out i will buy one! i think they did some good things there and learned some lessons before they built it. maybe it will be another 300,000 mile motor!?

Quote:
Originally Posted by madpowerstroke View Post
Try spinning a turbo with compressed air and hit it with diesel clean as you inhale at the turbo outlet, I call it a turbo bong.........that's some good stuff, makes you come up with all kinds of crazy ideas.


2010 F450 Super Duty Lariat Ultimate, 140,xxx Miles. 5" DP Back. Black Maxx. AFE Pro 5R Stage 2. ARP studs new heads and gaskets.
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