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94 k1500 no spark

Discussion in 'General Chevy & GM Tech Questions' started by conceptualbass1, May 29, 2012.

  1. conceptualbass1

    conceptualbass1 New Member

    hey all, i have a 94 gmc k1500 and am getting no spark. plugs, wires, cap, rotor, and ignition coil have all been replaced. i am not getting any current out of the ignition coil itself. originally i thought it may be a fuel issue so the fuel pump and filter were both checked and are working properly. what would be the next item to check/replace? sorry if the question has been brought up before but i did a search and couldnt come up with an answer.
  2. kw70chevy

    kw70chevy Member

    if it is a vortec check your crank shaft sensor.

    ---------- Post added at 05:40 PM ---------- Previous post was at 05:13 PM ----------

    also check your pick up coil on the distributor
  3. dipstick

    dipstick Member 2 Years 100 Posts

    What you have changed either the ignition module in side distributor or pickup coil on distributor. shaft.
    Can take ign. module to auto parts for a test . see if it is good.
  4. ChevyBoy2009

    ChevyBoy2009 Rockstar 4 Years 500 Posts

    Check all your grounds and check the wire from the battery to your starter...ive seen them go bad and once i replaced them,worked like new!
  5. conceptualbass1

    conceptualbass1 New Member

    ok, thanks guys i will try those things and see what happens. thanks for the ideas.
  6. ejohnson03

    ejohnson03 Epic Member 5+ Years 1000 Posts

    X2 what Dipstick says on the Ignition Control Module.

    If you have a bad Ground connection, and it looses connection while the engine is running, the Ign. Con. Mod. with fry.
  7. jsmith4816

    jsmith4816 Member 2 Years 100 Posts

    I am having the same problem. I don't know much about engines and am learning as I go, but would a bad ground to the battery have an issue with spark? I'm not trying to be a smartass or anything, just curious.

    conceptualbass1-any luck with the truck, I personally am starting to run out of patience, lol.
  8. ejohnson03

    ejohnson03 Epic Member 5+ Years 1000 Posts

    Yes, that too would be an issue.

    However, you would get nothing when trying to start, let alone a spark issue.
  9. jsmith4816

    jsmith4816 Member 2 Years 100 Posts

    So I am having the same problem, and thought maybe I had a ground issue. I replaced the battery to intake ground and now it feels like my truck is going to start, but does not. I also looks like the plugs are not getting fuel because when I pull them, they are dry, but I can smell gas when I try and start my truck.

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