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  #1  
Old 12-04-2010, 03:45 PM
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Question for Ford Tech.

I may be looking and buying a new truck in the next 6 months or so depending on whether or not i have anymore trouble out of my 6.0 so my question is can you idle the 2011 6.7s? cause my truck is basically my mobile office, i need to be able to idle a truck on location for long periods of time(sometimes 8-12 hours depending on weather and what im doing that day) ive heard that you cant idle the 2011s more than 10 min but ive also been told by a salesman(which of course will tell you anything to sell a truck) so i need a tech to tell me for sure whether im good with a new diesel or if i need to just buy a damn gasser
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Old 12-04-2010, 05:31 PM
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Idle idle idle IDLE NO PROBLEM
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Old 12-04-2010, 05:39 PM
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Otherwise do the high idle mod if your worried about it.
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Old 12-04-2010, 06:01 PM
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Not a Ford Tech, my truck is my office, puter, printer, shredder. Whens its hot out, its idling for ac, when its cold, for heat. I have 30K + and have no issues with it. It idled in the Mississippi heat last summer for hours. I do have a heavy foot, and 'blow it out' after idling extended periods...
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Old 12-05-2010, 09:10 AM
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with you idling it all day long did it ever regen? or will these new trucks regen sitting at idle cause of the new urea stuff. Im pretty well clueless about the new DPF system on th 2011 trucks and just trying to make sure i dont end up regretting a $60,000 purchase
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Old 12-05-2010, 01:38 PM
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I am not 100% sure about that, I don't remember from the class on them and I haven't seen one outside of there except a couple of them rolling down the highway.
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Old 12-05-2010, 03:35 PM
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Ok I looked in the owner's manual for a 2011 F350. Here is what I found:
Active regeneration
Once the DPF is full of exhaust particles, the engine control module will
command the exhaust system to clean the DPF through a process called
active regeneration. Active regeneration requires the engine computer to
raise the exhaust temperature to eliminate the particles. During cleaning,
the particles are converted to harmless gasses, and the DPF will then be
clean and ready to continue trapping exhaust particles.
The regeneration process operates more efficiently when the vehicle is
safely operated at least 30 mph (48 km/h) with a steady pedal for
approximately 20 minutes to complete the process. The frequency and
duration of regeneration will fluctuate as both are determined by how
you drive your vehicle, outside air temperature, and altitude. For most
driving, regeneration frequency will vary from 100 - 500 miles (161 -
805 km) between occurrences and each occurrence will last from 9 -
20 minutes. The duration of regeneration is usually reduced if a constant
speed above 30 mph (48 km/h) is maintained.
When the engine control module detects that the DPF is nearly full of
particulates and that the vehicle is not being operated in a manner to
allow effective automatic cleaning, the message center will display
DRIVE TO CLEAN EXHAUST FILTER guiding the vehicle operator to
drive in order to clean the DPF. If the vehicle is operated in a manner to
allow effective automatic cleaning, the message center will display
CLEANING EXHAUST FILTER, which is the normal regeneration
process. See Message center in the Instrument Cluster chapter of the
Owner Guide for more information.
If the operator is not able to drive in manner that allows effective
automatic cleaning (active regeneration) or the operator instead wishes
to perform regeneration of the DPF (cleaning) while at idle (stationary),
then OCR (operator commanded regeneration) will need to be
performed. See Operator commanded regeneration (OCR) following.
Note: Do not disregard the DRIVE TO CLEAN EXHAUST FILTER
maintenance message for extended periods of time. Failure to perform
active or operator commanded regeneration (OCR) (if equipped) when
instructed may result in a clogged DPF. If your DPF fills beyond what
can be safely regenerated, active regeneration and OCR will be disabled.
This could cause irreversible damage to the DPF, requiring service and
possible replacement that may not be covered by your warranty.
Operator commanded regeneration (OCR) (if equipped)
If your vehicle is operated with significant stationary operation, passive
and active regeneration may not sufficiently clean the DPF system. OCR
allows you to manually start regeneration of the diesel particulate filter
(DPF) at idle (while stationary) to clean the DPF. If you are not sure
whether your vehicle is equipped with this feature, contact your
authorized dealer.
When to perform OCR
Use the OCR feature when the DRIVE TO CLEAN EXHAUST FILTER
message appears in the message center and:
• the operator is not able to drive in manner that allows effective
automatic cleaning (active regeneration),
• or the operator instead wishes to manually start regeneration
(cleaning) of the DPF while the vehicle is idle (stationary).
OCR precautions and safe exhaust position
WARNING: Failure to comply with the following instructions for
operator commanded regeneration (OCR) may result in fire,
serious injury, death and/or property damage.
Before you start OCR, observe/do the following:
• Place the vehicle in P (Park) with the parking brake set on stable,
level ground.
• The vehicle must not be parked in a structure.
• The vehicle must be away from any obstructions within 10 - 15 feet of
vehicle,
• and must be away from materials that can easily combust or melt such
as: paper, leaves, petroleum products, fuels, plastics and other dry
organic material, such as grass.
• Make sure there is a minimum of 1/8 tank of fuel.
• Make sure all fluids are at proper levels.
Make sure that the louvers (holes) located at the tip of the exhaust are
also clear of any obstructions as they are used to introduce fresh air into
the tailpipe to cool the exhaust gas as it leaves. See Exhaust under the
Cleaning chapter for more information.
How to start operator commanded regeneration (OCR)
WARNING: Stay clear of exhaust tip during regeneration. You or
others can be burned.
Note: OCR will not be allowed to operate if the service engine soon
light is illuminated
Note: During the use of OCR, you may observe a light amount of white
smoke. This is normal.
1. Start with the vehicle engine fully warmed.
2. Press the Info button on the steering wheel until the message center
reads EXHAUST FILTER XXX% FULL.
3. If the DPF needs cleaning and the vehicle is warmed up, a message
requesting permission to initiate filter cleaning is displayed EXH XXX%
FULL CLEAN Y/N. Answering yes to this prompt and then following
prompts will initiate OCR. Be sure to understand each prompt. If you are
not sure what is being asked by each prompt, contact your authorized
dealer.
4. Once OCR starts, the engine’s rpm will rise to approximately 2,000 -
2,400 rpm and the cooling fan will increase speed; you will hear a change
in audible sound due to the fan and engine speed increase.
It is not necessary to open the hood on the engine compartment. Once
OCR is complete, the engine rpm and fan will return to normal idling.
The exhaust system will remain very hot for several minutes even after
regeneration is complete. Do not reposition the vehicle over materials
that could burn until the exhaust system has had sufficient time to
cool. Depending on the amount of soot collected by the DPF, ambient
temperature, and altitude, OCR may last from 10 to 25 minutes.
Note: During stationary PTO operation, OCR will change the engine
speed to 2,000 or 2,400 rpm (depending on vehicle application),
therefore it is recommended you exit PTO mode before starting OCR.
During mobile PTO use, OCR is not necessary; regeneration will function
normally.
How to interrupt/cancel OCR
If OCR needs to be cancelled, pressing the brake, accelerator, or shutting
off the vehicle will stop OCR. Depending on the amount of time OCR was
allowed to operate, soot may not have had sufficient time to be
eliminated, but the exhaust system and exhaust gas may still be hot. If
the vehicle is shut off during OCR, you will notice turbo flutter. This is a
normal consequence caused by shutting off a diesel engine during
boosted operation and is considered normal.
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  #8  
Old 12-07-2010, 02:26 AM
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Thats awesome i just hope that i dont have to special order a truck to get the OCR feature cause that would be perfect for my application HURRAY!!!! I DONT HAVE TO BUY A GASSER!!!! Thanks a million dieseldoctor
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  #9  
Old 12-09-2010, 01:02 PM
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One more question, the OCR is that standard on most trucks?? will the dealer know if its equipped? If not how do i check since it wont be telling me to clean exhaust filter?(edit: i realize now rereading that the engine just has to be warm to initiate not it telling you to clean it) I looked on the ford build and price thing and didnt see it anywhere as an option is why im wondering

Last edited by RickW2007; 12-09-2010 at 01:08 PM.
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  #10  
Old 12-10-2010, 06:48 AM
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the basic truck has a ten minute engine shut-off for emissions that is in the xl and xlt models only, the lariat and kr do not have that feature....this according to the ford source book that all dealers should havek....the ocr is standard with any of the trucks...a recycle when idleing can be terminated by stepping on the brake...don't put off letting the truck regenerate for too long, it may shut down with a plugged dpf & that may be expensive......at this point i am starting to hear of the occassional problem of the variable turbo vanes sticking, usually with work trucks doing a fair amount of idleing, i hope this doesn't turn into a problem like the new dodges have..
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