What is Regen ? - Ford Powerstroke Diesel Forum
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Old 11-06-2007, 10:35 AM
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What is Regen ?

Hello,

New to Diesel and the Forum, Can someone explain Regen ?

Thanks
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Old 11-06-2007, 10:44 AM
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Regen is part of the new emissions systems on the 08s...Now, I am not a tech but let me try....

There is a unit called a DPF that is part of your exhaust system, on the exhaust stroke the computer dumps fuel in and ignites it during Regen mode. Thus burning of the particulites that collected.

It is timed by mileage, or a sensor...that I am not sure. But it REALLY heats up the exhaust.

I have heard it runs for anywhere from 5 minutes to 45 minutes I have seen somewhere.

Techs...if I got any of this info wrong, please chime in...
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Old 11-06-2007, 12:33 PM
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I'm not a tech, but you could say I know a lot.....you got the bases down DKR, to meet new emission requirements, the DPF is put in place to "catch" the soot "black smoke". Well like any filter it needs to be cleaned after it gets full, its what they call regeneration mode or regen. More fuel is dumped in the motor to bring up the EGT's close to 1200F and it "burns" off the soot inside the DPF, cleaning it.....the truck uses temp sensors and on pressure sensor to monitor regen and when it should or shouldn't go in, but it also has a "back-up" that after so many miles the truck has not seen a regen cycle it start the process.....I learned that the hard way
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Old 11-06-2007, 12:36 PM
DKR DKR is offline
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Hey Julian, should of figured you'd chime in on this one!

What the heck does DPF stand for anyway? I was explaining all this to a co-worker the other day. Down Pipe Filter?
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Old 11-06-2007, 12:40 PM
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Quote:
Originally Posted by Delaware King Ranch View Post
Hey Julian, should of figured you'd chime in on this one!

What the heck does DPF stand for anyway? I was explaining all this to a co-worker the other day. Down Pipe Filter?
Desiel Particulate Filter
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Old 11-06-2007, 12:50 PM
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In some cities your exhaust will be cleaner than the air. So your cleaning the air and doing the city a service.
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Old 11-07-2007, 02:42 AM
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Thanks for the info
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Old 11-07-2007, 03:03 PM
DKR DKR is offline
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Quote:
Originally Posted by TwinTurboStroker View Post
Desiel Particulate Filter
Thanks Julian...was trying to figure it out the other day, drew a complete blank on it.
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