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  1. #1

    Default Need help asap please!

    2000 K2500 4x4 ext cab a/t 454 cid
    Been driving the truck without any problems. I leave work, it starts right up as usual. Stopped to get bait for 5 minutes, came out and it would not start. It just cranked over. Cranked it so much battery went low. Got it towed home, but haven't any clue what to check. I did replace the fuel pump 3 months ago and I can hear it cycle when I turn the key. Any ideas? I am supposed to go to a funeral tomorrow out of town. Please help!

  2. #2


    do these have a fuel pressure regulator?...if so,change that

    2009 Chevrolet Silverado 1500 LT Z71 Crew Cab "All-Star Edition"

    Line-X'd Bed
    Line-X'd Custom Brush Guard(Heavy Duty)
    5.3L Flex Fuel
    275/65R18 Toyo Open Country AT2's
    2" Rough Country Leveling Kit(want to get the 2.5 RC kit)
    EGR In-Channel Vent Visors
    Exterior PLUS Package
    Interior PLUS Package
    K&N Drop-In Air Filter
    Cat-Back Dual Exhaust
    Black Bowties
    Diablo Sport Predator(AFM Disabled)
    Towing Mirrors
    Next Planned Mods
    Blacked out Tail Lights
    Aftermarket Rims

  3. #3


    You need fuel and you need spark.

    Get a can of ether (starting fluid) and spray a little into the throttle body. If it starts, your problem is fuel delivery.

    If it doesn't start, suspect problems with the spark.

    '09 Avalanche LTZ - Black
    '05 Envoy XL (sold)

  4. #4


    This is a Vortec fuel injection. Can the ignition module be tested?

    - - - Updated - - -

    Ok, I checked the schrader valve on the fi rail and had lots of fuel pressure. I changed the battery out because it was old and low. It cranks over fast then slows to a point where it sounds like something is hitting. Once past that point it cranks over fast again. Does that make sense? I am going to check for spark at the plugs, but after that I dont know where to go. Any more ideas? I did buy some starting fluid, maybe I'll try that too.

  5. #5


    Sounds like spark....normally an issue like this would be ignition. If you don't have spark at the plug you'll have to check your modules and fuses....I am not skilled on these newer trucks....I work on classics. lol. Hope you are able to locate the issues quickly.
    Excuse the rust..I USE my truck.

    "No matter how beat up or rusty a chevy is, no truck will ever look as good goin down the road wearin that bowtie!"

  6. #6


    Ok, update: I checked the oil level to see if it had fuel in it, it was ok. I removed the hose on the throttle body and sprayed starting fluid in it. Still would not start. I pulled the first plug on the Lh bank and cranked it over. It showed spark. Now I am really lost! Where do I go from here?

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