1995 4.0 V6 XLT would start then die, now won't start at all

Discussion in '4.0 Engine' started by DavoMoto, Oct 18, 2012.

  1. DavoMoto

    DavoMoto New Member

    It started and then died, I just thought it was cold...I started it again and again, same thing. I stayed the night at my friends, went back the next morning and it started right up...I let it idle for about 3 minutes and then I gave it gas and after the rpm dropped it died...it hasn't started again. I have a new EGR, IAC, fuel pump relay, PCM relay, air filter, plugs and cables and battery. I had an fuel system cleaning about 1,200 miles ago. Also, I jumpered the fuel pump relay heard it turn on, still won't start. I checked all the fuses and relays. Any advice for my next step?
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  3. Hooligan

    Hooligan Rangerholic!!

    Have the coil pack tested, it may be bad
  4. ZRanger28

    ZRanger28 Got boost?

    Do you have fuel getting the cylinder? How about spark? Is the air filter clogged? Check those things first. Check the coil as clinton said.

    Beamed in from the Death Star with lasers and sh*t
  5. klinger86

    klinger86 Moderator

    id check the fuel filter and throttle positionn sensor as well...
  6. OP

    DavoMoto New Member

    Okay, so I did some more investigating. My neighbor brought a tester home from the dealership, we hooked it up and discovered I have no power at the PCM/ECM ! Had my battery tested, it's fine...so, does anyone have a schematic, or any ideas on which wiring to check?
  7. OP

    DavoMoto New Member

    Okay, so I also have no spark...the tester couldn't connect to the PCM, is this a possible problem with the anti theft system? I don't think im not getting spark because of the coil pack...I think the coil pack isnt receiving power. Has this happened to anyone else?
  8. OP

    DavoMoto New Member

    Okay, so now I have replaced the Crankshaft Position sensor and the fuel filter and the PCM relay, still won't start...

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