DTC Codes - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 11 (permalink) Old 01-03-2010, 08:37 PM Thread Starter
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Question DTC Codes

I cranked my truck up yesterday morning and it had the check engine light on but was running good so today i checked the codes and they are p2002 and p244a. What could be causing this??? Any help greatly appreciated. THANKS

2008 F-250 Lariat
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post #2 of 11 (permalink) Old 01-03-2010, 08:48 PM
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Those are both DPF related codes.....but I see you have a Spartan and DPF delete. Clear them and see if they come back.

P2002 - REGEN - Particulate Trap Efficiency Below Threshold

-This error occurs if an expected pressure drop through the DPF
is lower than the specified value following a regeneration cycle
(based on the concept of normalized pressure differential).

P244A - REGEN - Diesel Particulate Filter Differential Pressure Too Low

-This error occurs if an expected pressure drop through the
DPF is lower than the specified value following a regeneration
cycle (based on the concept of observed pressure differential).

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post #3 of 11 (permalink) Old 01-03-2010, 08:51 PM Thread Starter
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Well i have my truck set to stock with the dpf under it right now cause i had some warranty work done a couple weeks ago. Is it something that needs to be fixed or changed??? thanks for the help

2008 F-250 Lariat
2.5" Icon
35x13.5x20 Mickey Thompson ATZ's
XD Monsters
SCT Livewire Extreme (FOR SALE)
Spartan 275 w/ DPF Delete
AFE Stage II
4" MBRP w/ 5" tip

Singles Club #252
BOMB Squad #40
Riding Dirty #53
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post #4 of 11 (permalink) Old 01-03-2010, 09:11 PM
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Quote:
Originally Posted by JAE88 View Post
Well i have my truck set to stock with the dpf under it right now cause i had some warranty work done a couple weeks ago. Is it something that needs to be fixed or changed??? thanks for the help
That helps a little bit lol. Do you have an intake and/or DPF back exhaust on the truck with the DPF on?

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post #5 of 11 (permalink) Old 01-03-2010, 09:18 PM Thread Starter
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Quote:
Originally Posted by 08stroker250 View Post
That helps a little bit lol. Do you have an intake and/or DPF back exhaust on the truck with the DPF on?
Yes, i have and AFE intake with the MBRP filter back exhaust.

2008 F-250 Lariat
2.5" Icon
35x13.5x20 Mickey Thompson ATZ's
XD Monsters
SCT Livewire Extreme (FOR SALE)
Spartan 275 w/ DPF Delete
AFE Stage II
4" MBRP w/ 5" tip

Singles Club #252
BOMB Squad #40
Riding Dirty #53
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post #6 of 11 (permalink) Old 01-03-2010, 09:24 PM
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That is what is causing the codes then. No worries! Just get that DPF off and you'll be good to go again lol

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post #7 of 11 (permalink) Old 01-03-2010, 09:27 PM Thread Starter
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Ok thanks for the help. I was fixing to put my spartan and delete back on but the light came on yesterday so i was going to wait and see what was causing it first. thanks again for the help bro.

2008 F-250 Lariat
2.5" Icon
35x13.5x20 Mickey Thompson ATZ's
XD Monsters
SCT Livewire Extreme (FOR SALE)
Spartan 275 w/ DPF Delete
AFE Stage II
4" MBRP w/ 5" tip

Singles Club #252
BOMB Squad #40
Riding Dirty #53
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post #8 of 11 (permalink) Old 01-03-2010, 09:28 PM
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Anytime man!

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post #9 of 11 (permalink) Old 01-04-2010, 04:10 PM Thread Starter
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If i put my Delete back on and clear the codes will it cause it to show where i cleared the code if it has to go back to the dealership for any reason??

2008 F-250 Lariat
2.5" Icon
35x13.5x20 Mickey Thompson ATZ's
XD Monsters
SCT Livewire Extreme (FOR SALE)
Spartan 275 w/ DPF Delete
AFE Stage II
4" MBRP w/ 5" tip

Singles Club #252
BOMB Squad #40
Riding Dirty #53
JAE88 is offline  
post #10 of 11 (permalink) Old 01-04-2010, 04:46 PM
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Quote:
Originally Posted by JAE88 View Post
If i put my Delete back on and clear the codes will it cause it to show where i cleared the code if it has to go back to the dealership for any reason??
This is straight off the Spartan FAQ section on the website....

"Possibly, but not likely.

Lots of rumors surround the current situation as to if aftermarket tuning devices are detectable
in the new 6.4L Powerstroke Diesels. For most devices on the market, the answer to that
question is YES. Ford Motor Company has special algorithms in place within the factory
computers to detectthe download of a program from a non-Ford programming device; which
triggers the diagnostic troublecode "P167F", defined as "Non-OEM programming detected."
This code is only viewable with Ford dealer or Ford Engineering diagnostic equipment, and will
not be read or cleared by any other tuning device or diagnostic code reader on the market.
This code is also stored in multiple computer modules scattered about the vehicle, meaning
that "clearing" or resetting the engine controller alone will not force the code to go away.

Other in-line devices (tuning devices that plug into the engine harness connections rather
than being downloaded as a programmer) claim to be undetectable since there is no actual
download of a program through the computer system. However, this is not true, as the
factory computer(s) collect and store information from the engine in the form of
"freeze frames". These freeze-frame data collections WILL show evidence of the use of any
in-line tuning device even after the product is removed from the trucks. And unlike
previous model trucks upon which the computer can be "cleared" by the practice of
removing/unhooking the battery cables, all information on the 6.4L vehicles is stored in
"non-volatile" memory, meaning the information is stored permanently until overwritten.
A traditional "reset" cannot be performed, meaning the evidence of use of a in-line device
will be shown to any Ford dealer or Ford engineer for a very, very long time.

Our tuning devices use a proprietary process when saving the stock tune and downloading
our custom tuning to "emulate" the presence of a Ford factoryprogramming device. In
doing so, the presence of the "P167F" diagnostic code is prevented. Likewise, when a
vehicle is returned back to stock using our device, multiple computer modules are internally
reset to prevent and delete other tell-tale evidence of aftermarket tuning. This gives our
Spartan Phalanx programming device the highest level of undetectablilty available on the
market, helping to preserve your factory warranty and preventing warranty denial by Ford.
As Ford truck owners ourselves, our crew members share the concern about preserving
factory warranty and understand the stress involved when choosing an aftermarket device
in this respect. This is why we take every measure to protect our customers' confidentiality
and spend tremendous development effort to do so."

Jeff Dodd - www.SpartanDieselTech.com
Email - [email protected]

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