Regen Charicteristics - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 10 (permalink) Old 04-03-2007, 12:10 PM Thread Starter
 
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Regen Charicteristics

I ONLY HAVE 600 MILES ON MY TRUCK and noticed that when I drive it real hard for 15 min or so (hard excelleration from a stop and hard downshifts) that it goes into regen mode when ever i stop and put it in park.(high idle and lots of heat from exsaust) ive only drive it hard x2, and it went into reg both times, I think regen is directly related to how the truck is driven and used(hauling etc). I just filled up and added cetane increaser due to no 45 cetane aval here in va.o(only 40), Im told lower cetane will def rob HP. It took 35 gals and said 20 miles to empty. I also think we will have 4-5 gals left when it tells u you are emty cause they dont want us pulling fuel from bottom of tank incase there is water and so we do not run out of fuel. my mileage was 17.4 mpg for those that want to know if u are getting 15-16 you prob are driving it hard and will notice more regen modes also.just a bunch of info for anyone who cares, just my observations.......roy
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post #2 of 10 (permalink) Old 04-03-2007, 08:44 PM
 
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GM is saying regen will occur about every 200 miles, so you are right on track. The hard driving may heat up the exhaust enough to allow the computer to think this a good time to regen, but you stop driving before the process is complete. It takes about 30 minutes of steady driving or high idle to complete the process.
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post #3 of 10 (permalink) Old 04-03-2007, 09:57 PM
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Ford has also stated that the first regen or two will be forced to get the system going. This may not be something that is a long term condition.
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post #4 of 10 (permalink) Old 04-03-2007, 10:30 PM
 
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For all of the posted drama around regen, I've barely noticed it in 2000 miles. I was aware of the idle bumping up a couple of hundred revs and the first time I could smell what was probably exhaust coatings getting burned off but that's it. Kind of a new engine smell.

I've never noticed it towing or in many varied conditions.
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post #5 of 10 (permalink) Old 04-04-2007, 12:32 AM
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I can only feel the differance when the regen comes in is when im hammering on it.

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post #6 of 10 (permalink) Old 04-04-2007, 12:35 AM
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what rpm is regen?
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post #7 of 10 (permalink) Old 04-04-2007, 12:40 AM
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Quote:
Originally Posted by sacgmc
GM is saying regen will occur about every 200 miles, so you are right on track. The hard driving may heat up the exhaust enough to allow the computer to think this a good time to regen, but you stop driving before the process is complete. It takes about 30 minutes of steady driving or high idle to complete the process.
You seem to be knowledgable, so maybe you can answer my ?, I have posted on many boards, no answers. A guy I know drives his truck to work to and from about 5 miles each way, during the winter. MAYBE takes a short trip on the weekends to get groceries etc, but generally not. During hte summer he pulls a boat, rv etc pretty much every weekend. So what will happen to him in the winter, will he have to take it on trips???? He lives in the city so 30 min of city drivng is impossible, will high idle complete the process(can he leave it run in his driveay???? What if he doesnt let it regen , itll plug and ealer service is required correct???? What is gm doing about servicing dpfs?? Exchange????????? The machines to capture the soot are about 10,000 dollars so I am sure not every shop will have a dpfcleaning machine, but how much will exchanges be etc.

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post #8 of 10 (permalink) Old 04-04-2007, 01:02 AM
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10,000 dollars? Driving any diesel 5 miles each way isn't going to get them cleaned out even if it doens't have a dpf. He should stop driving his truck only a few miles in the city.

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post #9 of 10 (permalink) Old 04-04-2007, 01:34 AM
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anyone want to buy my truck?
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post #10 of 10 (permalink) Old 04-04-2007, 04:24 AM
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hmm. over 1200 miles on mine since it was the first to get the reflash at the factory, and it hasnt gone through a regen yet, that i know of.
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