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96 vortec 350 NO INJECTOR PULSE after engine swap

This is a discussion on 96 vortec 350 NO INJECTOR PULSE after engine swap within the Technical / Maintenance forums, part of the General Discussion category; Ok, its a vortec 350 but its in a 96 s10. I got the stupid ass injectors to fire. NOW ...

  1. #1
    Registered User 88Silverado25's Avatar
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    Unhappy 96 vortec 350 NO INJECTOR PULSE after engine swap


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    Ok, its a vortec 350 but its in a 96 s10.

    I got the stupid ass injectors to fire. NOW the bastard runs amazing but at about 215 degrees it starts to flood out and dies. I've got 62lbs fuel pressure and ive replaced an obnoxious amount of parts just praying for an answer as I have no codes what so ever and no check engine light. Ive replaced the Map sensor, coolant temp sensor, crank sensor. I've tried a different computer and I've tried my computer in a different truck. Ive tried a different air flow meter and changed to non platinum plugs. Nothing helps. It runs perfectly with no issue until it breaks 200 degrees. At about 215 its done. Spits a lot of black smoke and then dies. the plugs are gas covered and the smell of fuel just fills my shop.

    After that if it sits over night it will crank again just fine on the first turn of the key. I have no check engine light and no stored codes which makes me think its a mechanical problem but wtf. Is it the spider? maybe getting hot and leaking from the regulator? I dont really see a lot of gas when i take the upper intake off after it dies so i dont think thats it.
    Surely I am not the only guy in the world to ever have this problem but i have googled and searched forums and **** for two months now looking for answers and cant find dick about it. IF anyone can help me i know its you guys so please give me some input before I have this F'n thing crushed by a bulldozer.
    Last edited by 88Silverado25; 10-23-2011 at 03:50 PM. Reason: Problems different didnt want to make a new thread.

    L

  2. #2
    Registered User 88Silverado25's Avatar
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    Re: 96 vortec 350 NO INJECTOR PULSE after engine swap

    changed cam position sensor still no start. Do have injector pulse now. I have injector pulse, spark plugs fire, and 60lbs of fuel pressure at the valve on the intake. Can a spider cause a no start? How would that work? Seems like a spider clogging up would cause bad running but not a no start condition. Do all 8 injectors share something in common that could keep them from getting fuel?

    L

  3. #3
    Registered User 88Silverado25's Avatar
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    Re: 96 vortec 350 NO INJECTOR PULSE after engine swap

    Ok, changed the spider with one i had in a parts engine and it started and ran great but now its back to no start. It acts like it wants to start, and if I use starting fluid it will crank and run as long as i let it without dying.

    L

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    Registered User 88Silverado25's Avatar
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    Re: 96 vortec 350 NO INJECTOR PULSE after engine swap

    Anyone own a bulldozer i can rent?

    L

 

 

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