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Thread: duramax help

  1. 02-27-2010 #1
    BadBilly
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    duramax help

    I have a 05 duramax with 6in lift 35s diablosport & edge exhaust and cold air intake only getin 13gpm any help?
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  2. 02-27-2010 #2
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    13 gal per mile!?!? Holy shit!
    I tried to ride the GOAT like i ride sals MOM it couldnt handle it...

    2013 will have big things..
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  3. 02-27-2010 #3
    BadBilly
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    mpg sorry
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  4. 02-27-2010 #4
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    Just messin with ya. Knew what ya meant though.... sorry I'm no help
    I tried to ride the GOAT like i ride sals MOM it couldnt handle it...

    2013 will have big things..
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  5. 02-27-2010 #5
    Tony @ Cen-Cal Racing's Avatar
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    Jesus, an lly should get better mileage than that! What intake and exhaust are you running and which edge unit? We have the same lift and tire size and I get a hell of a lot better than 13! I could fathom 13mpg towing or in town but certainly not at freeway speeds.

    1967 Firebird - 4.8L LS1, 6.0L Heads, LS6 cam, rod bolts, double roller, MPT70 turbo, twin walbro pumps - Shootin for 500+whp! 9" rear, cal-tracs, moly 10pt cage.
    06 Duramax ECSB - PPE 6" Pro-Comp Lift, 35's.
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  6. 02-28-2010 #6
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    Quote Originally Posted by BadBilly View Post
    mpg sorry
    vacum line to the fuel pressure regulator, or bad fuel pressure regulator?
    the fuel pressure regulator allow the fuel back into the tank if stuck closed then all fuel must go threw the injectors to be burned instead of some fuel going back into the tank! ...
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  7. 02-28-2010 #7
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    Try cleaning the MAF sensor. If oil from the air filter gets on there, it can cause bad mpg along with other things....
    Last edited by STOCK48; 02-28-2010 at 04:58 AM.
    -2003 GMC 4x4, pump gas daily driver.
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  8. 02-28-2010 #8
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    Quote Originally Posted by STOCK48 View Post
    Try cleaning the MAF sensor. If oil on them from the air filter gets on there, it can cause bad mpg along with other things....
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  9. 02-28-2010 #9
    BadBilly
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    Bullydog exhaust 4", Airiad cold air intake, my wheels are 20" procomp 6001s and tires are pro comp 35" extreme A/T & very very very heavy.
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  10. 02-28-2010 #10
    BadBilly
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    If it was a bad fuel pressure regulator wouldn't that come up as a bad code?
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