2008 Diesels and DPF's

Discussion in 'Trucks and Trailers' started by evont22, Feb 15, 2009.

  1. evont22

    evont22 LawnSite Member
    from Indiana
    Posts: 73

    I've got a 2008 Ford with the 6.4 and 2008 Dodge with the 6.7, and have noticed that its more obvious with the Ford when it is regenerating. To those of you with Dodges and Chevys- do you notice when its regenerating? And also have any of you removed your DPF's yet?

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  2. mybowtie

    mybowtie LawnSite Senior Member
    from NY
    Posts: 683

    My chevy sounds a little different and there is a bleach smell when I park it if its in regen...No I havent taken the DPF off...Cant afford to void the waranty.
    Dont know about the fords, but there are conflicting reports of milage gains with the DPF removed..Friend of mine with a lot more $ then me removed his from a 07 gm, with a tunner and exhaust he see a 1-2 mpg increase..Has about 3G's in upgrades, and has no powertrain waranty...
     
  3. TXNSLighting

    TXNSLighting LawnSite Fanatic
    from DFW, TX
    Posts: 6,462

    The dodges DPF system is different From Fords and GMs, i dont remember exactly how, but it is not as noticeable in the cummins. I know you have to run the cummins harder than the Fords and GM's to have a better regen. But yeh its normal that there are differences in the two regens.

    Alot of cummins owners are pulling the DPFs off and are no longer having problems with their trucks, and are adding 5mpg to em. Fords add about that amount of fuel economy as well, but really arent having problems with the new engines emissions. Hope it helps.
     
  4. Petr51488

    Petr51488 LawnSite Silver Member
    from NJ
    Posts: 2,371

    I can't really notice it when i'm driving 65 unless i reset the mpg checker and see 8. In park the idle goes up to around 900 and its alot quieter and the tailpipe is smoking hot.
     
  5. evont22

    evont22 LawnSite Member
    from Indiana
    Posts: 73

    I have never "noticed" the dodge do it, but have noticed on the Ford. I was told there is an update that I need to take it in for that is basically a reflash from Ford that is supposed to take care of the truck going into regen when it is in park, and I was told may also display in the cluster that it is in "regen." It is noticable as it sounds the wastegate is opening and closing when driving. I'd love to take them off- But they are there for a reason and would hate to lose my warranties.
     
  6. Bru75

    Bru75 LawnSite Senior Member
    Posts: 585

    11,000 miles and ten months and I don't know if my GMC ever has. It is a W/T model, so I don't have the in dash display to tell me. It has plenty of power so I don't think it's clogged, but I'm wondering if I should be able to notice it.
    Any of you GMC or Chevy guys know?
     
  7. lawn king

    lawn king LawnSite Silver Member
    Posts: 2,274

    You have gone through many regens. Its tough to tell with the duramax. I detect a kero kind of smell when my truck regens.
     
  8. TXNSLighting

    TXNSLighting LawnSite Fanatic
    from DFW, TX
    Posts: 6,462

    Your truck doesnt have a waste gate last time i checked.
     
  9. Petr51488

    Petr51488 LawnSite Silver Member
    from NJ
    Posts: 2,371

    It won't tell you when your in regen on the dash. One of a few things you'll notice while driving. idle rpms are around 900 as opposed to 7-8, you'll see your fuel gauge move in the wrong direction, hot exhaust (meaning you can't keep your hand there for more then a few seconds) and the truck is noticeably quieter.
     
  10. evont22

    evont22 LawnSite Member
    from Indiana
    Posts: 73

    It may not, but sounds as if one is opening and closing... All my dodge's in the past had them, for all I know the new one does too.
     

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