Cruising for a Bruising
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Logistics Pro
Joined: Jan 2013
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Cruising for a Bruising
Anyone seen this? Put my truck on Cruise Control and just sit back and what the MPG tick down, down, down. In all the years I have owned cars and used CC on long trips my mpg has always gone up....Even my '11 F 350 dually improved under CC, but not my '15 dually.
I generally cruise at between 62-72 mph depending upon the speed limit. I like to stay right below posted.
I generally cruise at between 62-72 mph depending upon the speed limit. I like to stay right below posted.
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Logistics Pro
Joined: Jan 2013
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REGEN Well this brings up another question. Rarely do I see "REGEN" appear on the dash and when it does it last no more than 15 secs max.
Should the REGEN display as long as the cycle? How often does it REGEN, my '11 did it often and when it did the mpg dropped out the bottom.?
I doubt if I have seen the REGEN more than 20 times in over a year of mostly highway driving...what is 'normal'???
Should the REGEN display as long as the cycle? How often does it REGEN, my '11 did it often and when it did the mpg dropped out the bottom.?
I doubt if I have seen the REGEN more than 20 times in over a year of mostly highway driving...what is 'normal'???
Lead Driver
Joined: Jan 2005
Posts: 7,782
Likes: 221
From: Huntington Indiana
I see the regen indication for only a few seconds at the beginning of the cycle. On a 2500 mile trip I saw the indicator twice but used 5 gal of def. so there are lots of times there will be no indication other than a sudden loss of mpg.
Senior User
Joined: Dec 2014
Posts: 137
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From: S/E Michigan
Regen message only flashes on the screen. It does not stay lite through the entire regen. On 15's regens seam to last a average of 20 miles highway. Based on driving style, city, highway, towing etc. I read on this, regens are all over the place, from every 150 miles to 500 miles. My 15 seams to be closer the 400 miles. But who really knows. Some claim that Ford programed to trip at 500 miles.
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Lead Driver
Joined: Dec 2013
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Ford finally made it so you can see DPF percentage on the screen, but you get to kiss up to the Ford service tech with the computer to add it.
Would be nice for a orange R to appear on the gigantic instrument cluster somewhere telling you a regen was in progress or something like that.
But very normal for a 5 second, regen is happening screen and then you never know again, unless you are using TorquePro or Edge CTS or other monitor.
My mileage sucks whether I am babying it, driving it, or on cruise... or at least I am told it sucks. It gets what it gets...
Would be nice for a orange R to appear on the gigantic instrument cluster somewhere telling you a regen was in progress or something like that.
But very normal for a 5 second, regen is happening screen and then you never know again, unless you are using TorquePro or Edge CTS or other monitor.
My mileage sucks whether I am babying it, driving it, or on cruise... or at least I am told it sucks. It gets what it gets...
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Logistics Pro
Joined: Jan 2013
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Good info, thanks to all...that said what really drives the REGEN? Miles?, speed/miles, some sensor in the exhaust system>>>
Can it fail? If it affects mpg then would longer/shorter cycles be impacted. Can it do a regen when its not needed?
Point I am at is if its this important I should know what is going on to an extent or will the 'puter flash a error code that says too many/not enough?
Can it fail? If it affects mpg then would longer/shorter cycles be impacted. Can it do a regen when its not needed?
Point I am at is if its this important I should know what is going on to an extent or will the 'puter flash a error code that says too many/not enough?
Senior User
Joined: Dec 2014
Posts: 137
Likes: 1
From: S/E Michigan
17 OAK In RED
that said what really drives the REGEN? Miles?, speed/miles, some sensor in the exhaust system>>> Yes.
Can it fail? Not so much Fail, but stopped early. Put the Truck in Park while a regen is running. If still needed based on some magical formula, it will restart next time you start driving. If it affects mpg then would longer/shorter cycles be impacted. Can it do a regen when its not needed? Some say yes. Just that magical formula again.
Point I am at is if its this important I should know what is going on to an extent or will the 'puter flash a error code that says too many/not enough?
To many incomplete regens get you a orange box on the dash, "Drive to Clean Exhaust" When complete, a message will appear done! Don't drive to complete, and you will be seeing your dealer soon!
that said what really drives the REGEN? Miles?, speed/miles, some sensor in the exhaust system>>> Yes.
Can it fail? Not so much Fail, but stopped early. Put the Truck in Park while a regen is running. If still needed based on some magical formula, it will restart next time you start driving. If it affects mpg then would longer/shorter cycles be impacted. Can it do a regen when its not needed? Some say yes. Just that magical formula again.
Point I am at is if its this important I should know what is going on to an extent or will the 'puter flash a error code that says too many/not enough?
To many incomplete regens get you a orange box on the dash, "Drive to Clean Exhaust" When complete, a message will appear done! Don't drive to complete, and you will be seeing your dealer soon!
Post Fiend
Joined: Jan 2009
Posts: 6,521
Likes: 11
From: Greenwood, SC
The regeneration of the particulate filter happens when 1, back pressure reaches a certain value, 2, period of miles/hours pass and computer starts a regen irregardless of the back pressure value.
There may be more to it but these are the primary I'd imagine.
There may be more to it but these are the primary I'd imagine.
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Logistics Pro
Joined: Jan 2013
Posts: 3,778
Likes: 153
17 OAK In RED
that said what really drives the REGEN? Miles?, speed/miles, some sensor in the exhaust system>>> Yes.
Can it fail? Not so much Fail, but stopped early. Put the Truck in Park while a regen is running. If still needed based on some magical formula, it will restart next time you start driving. If it affects mpg then would longer/shorter cycles be impacted. Can it do a regen when its not needed? Some say yes. Just that magical formula again.
Point I am at is if its this important I should know what is going on to an extent or will the 'puter flash a error code that says too many/not enough?
To many incomplete regens get you a orange box on the dash, "Drive to Clean Exhaust" When complete, a message will appear done! Don't drive to complete, and you will be seeing your dealer soon!
that said what really drives the REGEN? Miles?, speed/miles, some sensor in the exhaust system>>> Yes.
Can it fail? Not so much Fail, but stopped early. Put the Truck in Park while a regen is running. If still needed based on some magical formula, it will restart next time you start driving. If it affects mpg then would longer/shorter cycles be impacted. Can it do a regen when its not needed? Some say yes. Just that magical formula again.
Point I am at is if its this important I should know what is going on to an extent or will the 'puter flash a error code that says too many/not enough?
To many incomplete regens get you a orange box on the dash, "Drive to Clean Exhaust" When complete, a message will appear done! Don't drive to complete, and you will be seeing your dealer soon!
Lead Driver
Joined: Dec 2013
Posts: 9,762
Likes: 115
4. If you have an xlt with a push to regeneration button or programmer that can do it.
Just to add some humor.
Lead Driver
Joined: Nov 2005
Posts: 5,247
Likes: 4,267
From: Kaysville Utah
Regen and DEF consumption are not tied together. Regen deals with soot particulates collecting in the DPF. DEF cleans the NO2 out of the exhaust in the SCR portion of your exhaust Two different and separate emissions that happen to be housed sequentially in your exhaust
Lead Driver
Joined: Jan 2005
Posts: 7,782
Likes: 221
From: Huntington Indiana
Regen and DEF consumption are not tied together. Regen deals with soot particulates collecting in the DPF. DEF cleans the NO2 out of the exhaust in the SCR portion of your exhaust Two different and separate emissions that happen to be housed sequentially in your exhaust