Should I run EGR after delete? - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 10-15-2012, 09:12 PM Thread Starter
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Should I run EGR after delete?

I installed a Mini and deleted a few months ago, along with a CAI. My question is, I've been running the HD300 tune since I've had the tuner on. Should I back down to the stock or low power tune every couple of months to get the EGR running again and flush it out? I'm not too sure on how that works, but I'm starting to have some issues with grey smoke and I don't know if maybe it's a clogged EGR or something like that. Thanks.

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 #2 of 5 Old 10-15-2012, 09:37 PM
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The only way the EGR will function is if you load up the "easy" tunes. If you've been running the hd300 then your EGR isn't functioning and the grey smoke will be from something else.

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post #3 of 5 Old 10-15-2012, 09:39 PM
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I'm not sure what would cause grey smoke.

08 F350 JOB 1
H&S MINI MAXX HD300 W/S1M
SINISTER EGR/COOLER DELETE
6000K BEAMERS HID HEAD & FOGLIGHTS
KMC XD WHEELS W/NITTO TRAIL GRAPPLERS
2.5" LEVELING KIT
DIESELSITE COOLANT FILTER
ROTELLA EC-1 RATED COOLANT
5" DP BACK FLO-PRO EXHAUST
FLO-PRO CAC PIPE & INTAKE ELBOW
CCV MOD
AIR LIFT 5000LB AIR BAGS W/ONBOARD COMPRESSOR
AFE CAI
PMF TRACTION BARS
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post #4 of 5 Old 10-16-2012, 05:04 PM
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Quote:
Originally Posted by tony97gt View Post
I installed a Mini and deleted a few months ago, along with a CAI. My question is, I've been running the HD300 tune since I've had the tuner on. Should I back down to the stock or low power tune every couple of months to get the EGR running again and flush it out? I'm not too sure on how that works, but I'm starting to have some issues with grey smoke and I don't know if maybe it's a clogged EGR or something like that. Thanks.
my did the same, i ran hd300 on hot setting since the first day i tuned the truck i get the best mpg. i lowerd the tune too mild 80 hp to test mpg theory and gray smoke mix with black would come out, took it to my friendly dealer they told me egr was working and nothing was wrong with the truck, i said ok. put the truck back too hd300 hot setting and pure black soot only comes out.

my truck runs perfect, ill say dont worry if your truck is still running strong.

97 TT SUPRA
08 F250 MY DD
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post #5 of 5 Old 10-17-2012, 03:55 AM
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before I deleted my EGR, I would detune the truck every now and then to let the EGR cycle to prevent it from sticking in case I did need to go all the way to stock for what ever reason. Now I am out of warranty and am fully deleted so its not an issue.

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