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Thread: Injectors stuck open.

  1. #1
    Garrett booster
    Join Date
    Sep 2010
    Location
    chicago
    Posts
    125

    Injectors stuck open.

    So I've been out of the game for awhile my Omni has been sitting for 2 years. It's been crazy around here. Well today I decided to see if I could get her going again. As of now the injectors are stuck open. Floods the engine and actually locks it up. I had to pull the plugs blow the fuel out and even with the ign on no cranking fuel just pours into the cylinders. I don't have any testing equipment with me il have to grab it from work Tuesday but I'm really just getting some ideas. The injectors are powered all the time and ground switched by the lm? Besides the wires being shorted to ground. Do you think the lm is toast? It's a mp glhs with a boost button chip. I'm really just spit balling here and wanna gather some info on this

  2. #2
    Rhymes with tortoise. Turbo Mopar Staff cordes's Avatar
    Join Date
    Dec 2005
    Location
    Tuscola, IL
    Posts
    21,462

    Re: Injectors stuck open.

    I would think it's just a bad injector. If not, you're on the right track in regard to how the LM controls everything.

  3. #3
    Hybrid booster
    Join Date
    Oct 2015
    Location
    Jacksonville
    Posts
    411

    Re: Injectors stuck open.

    unplug the injector harness and turn the key over.

    if it is the LM signaling the injectors open. they wont flood the engine if disconnected.

    My guess is they are sticking mechanically.
    The easy cure for this is to have them rebuilt.. shouild be about 25$ each locally..


    good luck

  4. #4
    turbo addict
    Join Date
    Dec 2005
    Location
    Pickering, ontario
    Posts
    2,670

    Re: Injectors stuck open.

    And please when it fires up, shut it off and change the oil

  5. #5
    Garrett booster
    Join Date
    Sep 2010
    Location
    chicago
    Posts
    125

    Re: Injectors stuck open.

    Today I ran to work and grabbed some tools and my meter. Injectors were signaled open electricity all 4. Was texting back and forth with shmedley he recommended swaping the power module. Stole one out of my Lebanon boom started right up. So thanks to everyone who replyied, she's up and running again!

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