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Engine hesitates

Discussion in 'Early CJ5 and CJ6 Tech' started by Dondo, Jul 3, 2013.

  1. Jul 3, 2013
    Dondo

    Dondo These are my good pants..

    Hutchinson, Kansas
    Joined:
    Jun 26, 2004
    Messages:
    314
    I knew this would happen. The 'Ol girl heard me talking about selling her off, so of course she starts acting up. Here is the deal. The jeep starts fine and idles just like it always has, although now when I blip the gas, the engine stalls out until I let off the gas. If I ease into the throttle, if will increase RPM like normal. Awhile back, I did notice that it sounded like the engine backfired though the carb once or twice. It has done that before, but only once or twice when it was sitting over the winter.

    I replaced the fuel filter and was hopeful that would have solved it, it didn't.

    What should be the next easiest thing to look at? Throttle pump, intake jet, fuel pump or do you think it might be something electrical?

    Dondo
     
  2. Jul 3, 2013
    w3srl

    w3srl All-around swell dude Staff Member

    Port Orange, FL
    Joined:
    Nov 6, 2002
    Messages:
    4,275
    Accelerator pump diaphragm.
     
  3. Jul 4, 2013
    Dondo

    Dondo These are my good pants..

    Hutchinson, Kansas
    Joined:
    Jun 26, 2004
    Messages:
    314
    I didn't even know that was a thing. Would replacing this particular part require a carbarator rebuild?
     
  4. Jul 4, 2013
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Hills of NH
    Joined:
    Aug 3, 2003
    Messages:
    9,825
    "Would replacing this particular part require a carbarator rebuild?"

    Not huge job, can be done under the hood in half an hour (I assume you have an F-head?).

    But not a bad idea to clean go through everything while you've got the top off the carb. Just don't lose the little check valve balls, etc.!
     
  5. Jul 4, 2013
    Dondo

    Dondo These are my good pants..

    Hutchinson, Kansas
    Joined:
    Jun 26, 2004
    Messages:
    314
    Oops, I guess I forgot to mention that this is a two barrel carb, sitting on a Buick 232 engine. I bet that makes a difference. Sorry, important information left out.
     
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