GM Truck Club
THE PREMIER CHEVY TRUCK & SUV FORUM
Founded in 2004 ~ We're the #1 Chevy Truck & SUV Forum.
Silverado & Sierra | Tahoe & Yukon | Suburban & Yukon XL | SUV & CROSSOVER
Results 1 to 5 of 5

Thread: Engine type

  1. #1

    Default Engine type

    I have a 2003 Tahoe Lt Z71 with a 5.3L the engine code is L59. Can I run fuel with some ethnol in it? Thanks much if somebody knows the answer.....Eric

  2. #2
    Legend


    mfleetwood's Avatar
    Join Date
    Jul 2010
    Location
    Denver, CO
    Posts
    7,213
    Blog Entries
    1

    Default

    The L59 is a flex fuel, thus you can use ethanol; however, not sure to what %. I attached a link to an on-line owner's manual so you could find out more about the type of fuel recommendations.

    http://www.extendedgmwarranty.com/ow...r_manuals.html


    Mike (Denver, CO) - 2008 Sierra 1500 Z71 SLE 5.3L 4WD

    SUSPENSION: Rancho 4" Suspension Lift; Rancho RS9000XL Shocks; Rancho Skid Plates; Rancho MyRide Wireless Shock Controller;
    TIRES:
    BFG All Terrain KO 315/70/17
    DRIVE TRAIN: 4.56 Gears; Detroit TrueTrac Differential; True Cool 40k Transmission Cooler
    PERFORMANCE: DiableSport Predator Tuner; Custom Tuned by Diablew; Magnaflow Exhaust; AFE Cold Air Intake
    ELECTRONICS: Kenwood DNX6180 Touchscreen; Subthump box w/10" Kicker; Driver Information Center (DIC); Rear View Camera
    ACCESSORIES: Westin Brush/Grill Gaurd; Westin Nerf Bars; Truxedo Tonneau; 20% Tint; Tow Mirrors w/Heat & Signals

  3. #3

    Default

    Thanks, Then now I can go back to useing 10% ethanol. Thanks Greatly

  4. #4
    Legend


    mfleetwood's Avatar
    Join Date
    Jul 2010
    Location
    Denver, CO
    Posts
    7,213
    Blog Entries
    1

    Default

    You're most welcome.

  5. #5

    Default

    you can run E85 with flex fuel

    2003 Z71 Silverado LS
    Access roll up cover
    Bed Rails
    Billet Grill insert
    Bed Rug
    CB with PA system
    Waiting to be installed
    Two 8in RF HX2 punch( would have 12s but they got stolen)

Similar Threads

  1. What type of gas do you get?
    By ChevyFan in forum The Coffee Shop ~ Chit Chat
    Replies: 26
    Last: 11-01-2011, 09:15 AM
  2. Replies: 6
    Last: 07-27-2010, 08:07 AM
  3. What type of oil to use?
    By Jcloud in forum General Chevy & GM Tech Questions
    Replies: 9
    Last: 03-22-2010, 10:05 AM
  4. What type engine?
    By sc99z71 in forum GM Powertrain
    Replies: 3
    Last: 08-24-2009, 02:36 PM
  5. Oil Type
    By Irv in forum GM Powertrain
    Replies: 39
    Last: 01-28-2008, 05:46 AM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •