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  1. #1

    Default Chevy Ls1500 ran out of Gas now will not start

    Hi I am posting this information for a friend of mine.
    The SUV is a 2000 Chevy 4X4 LS 1500
    The problem is that his daughter was driving it and ran out of gas.
    Filled it back up with gas and it still will not start.
    It seems like the Fuel delivery system cannot get fuel to the Engine.
    He has checked the relay and tried bypassing the relay and still did not have any luck.
    He has not changed the fuel pump yet but his friend thinks that might be the problem.
    Any information anyone can post would be helpful Thank you so much.

  2. #2

    Default

    Before I replaced the fuel pump I would put a fuel pressure gauge on it and see what (if any) pressure he is getting. The pumps in these trucks do not like to be run dry. They use fuel to keep cool.

    1995 Silverado 4x4
    6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
    4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge

    2005 Yukon XL Jet Power Programmer, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system, Russell Braided SS brake lines, PowerStop Brake pads, PowerStop cross drilled and Slotted Rotors, http://www.gmtruckclub.com/forum/sho...5-GMC-Yukon-XL
    2002 Silverado ext cab 2wd (Sold)
    2003 Yukon XL (Totaled)

  3. #3
    Legend

    Join Date
    Feb 2008
    Location
    Red Wing, Minnesota, United States
    Posts
    3,389

    Default

    Fuel pump most likely dead, as stated above, they dont like to be run dry
    99 K1500 Suburban LT "THE BEAST"
    Hypertech III, K&N, true dual
    285/75/16
    ___________________________
    Jason

  4. #4

    Default

    What this means "don't like to be run dry" is that the fuel pumps remain cool by remaining submerged in the gas tank. The fluid around the sealed pump dissipates heat build up. If you've run your tank dry, at the very least, you were operating the fuel pump in high heat conditions, which is often enough to burn it out. As a good rule of thumb, keep your gas tank above 1/4 and always above 1/8th to avoid the heat-caused failures. Unfortunately, many customers learn about this good practice only after they've burned through their first pump.

    This applies to virtually all fuel pumps these days (most are in-tank designs), and is good practice across all makes and models of in-tank pump systems.

    Cheers,

    -Skippy
    2006 Vortec Max 1500
    Performance:
    -Custom Tune (389HP 440 Ft/lbs Trq - Dyno'd) | Volant CAI | Magnaflow Dual-in/out Exhaust w/3" stainless pipe tips | Fully Built Transmission w/ Red Eagle Clutches & Kolene Steels w/ Corvette Servos and Stage2 Shift Kit | 35K Tranny Cooler | Mobil 1 | Royal Purple Rear Diff
    Other:
    -Spray-in Bed Liner
    -Premium Sound w/lifetime Satellite Radio | Leather | Sunroof | Heated Seats
    -Limbstriping from USING the truck (those are badges of honor)

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