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1997 K1500 No Start

Discussion in 'General Chevy & GM Tech Questions' started by ncof300d, Jan 4, 2011.

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  1. ncof300d

    ncof300d New Member

    I have a 1997 K1500 with 5.7L engine. Went home at noon it ran fine. Got home then went to leave and it won't start....just cranks the engine with no hint of any firing.....anyone ever had this happen before?
  2. mfleetwood

    mfleetwood Rockstar 4 Years ROTM Winner 5000 Posts

    How long was it before you tried to start you it again after you parked it? I had a '97 and sometimes (for no reason I could figure out) it wouldn't start back up unless I let it sit for 15 to 20 minutes...it was really weird.
  3. ncof300d

    ncof300d New Member

    About 25-30 minutes. I drove my 30 year old 300D back to work.
  4. mfleetwood

    mfleetwood Rockstar 4 Years ROTM Winner 5000 Posts

    Hopefully, somone soon will have an idea or two for you. See what happens next time you try and start it. If it starts right up, then probably have the same goblins that appear from time to time that I had. And of course, it would never happen to me when I was trying to trouble shoot it.....Sorry I am not more help.
  5. IT-Guy

    IT-Guy Member

    When you say cranks the engine, do you mean that the engine just turns it over? Is this a consistent issue or one that you just started having? You may have a starter issue or a plug/plug wire issue. When was the last time these were changed for new ones?
  6. MrShorty

    MrShorty Epic Member Staff Member 5+ Years 1000 Posts

    1st thing I would probably check on a hard warm start is the fuel pressure regulator. What happens is the diaphragm in the regulator leaks, allowing unmetered fuel into the intake, effectively flooding the engine. On these engines, it's a little tricky to check. Some say you can poke a mirror down into the intake and see if there is gasoline inside the intake. I might start by putting a fuel pressure gauge on it and seeing if the fuel system holds pressure when the pump shuts off. While there, see how quickly the fuel pressure comes up to spec when the pump comes on, and see if the fuel system is staying at spec while cranking the engine.

    Another thing I might do is put a scanner on it and see if the computer is showing any trouble codes that might explain the hard start.
  7. ncof300d

    ncof300d New Member

    Got home, still not start or attempt to fire. Guessing ignition. never had any starting or running issue before
  8. Looey

    Looey Rockstar

    You can check for spark by removing a plug boot, inserting a screw driver in the boot, then place the screwdriver near a good ground. Have someone crank the engine over and look for a bright white/blue spark.
  9. Looey

    Looey Rockstar

    Good point. My buddy had the same problem but he would just rock the truck side to side and then the pump would work...
  10. Looey

    Looey Rockstar

    I know that would never work for me either. But the cussing sure does make me feel better!

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