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no fuel pressure

  1. F

    Solved Explorer 1994 XLT 4.0 OHV 4x4 Argentina - No Spark, fuel pressure or signals from the PCM.

    Hi All! My name is Favio Rescia. I live in Argentina and this is my first time within the forum. I am the owner of a 1994 Explorer XLT 4.0 OHV 4x4, with more than 450000 km (close to 280000 miles) run. Now I am suffering a problem never had before that I would like to explain to receve...
  2. F

    Ground fault in Power distrib box 99 Explorer

    Chasing a "cranks but won't start" problem, I think I found a short to ground between the fuel pump fuse and fuel pump relay. The relay is fine and I get spark when cranking. The pump doesn't whir. I did not check pressure or fuel filter. Want to tackle the shorts first. With the key off...
  3. C

    Fuel Pressure low/loss

    My 94 explorer will not start every time now. If I turn the key to on, the fuel pump will turn on and prime the system to 40 psi, and the engine will start. If from the the off position, i turn it all the way to start the engine, it will not add any pressure, and will not start. Engine cranks...
  4. M

    no pressure at fuel rail

    I have a working fuel pump, new fuel filter, new fuel pressure regulator and no pressure at the shraeder valve. I can hear the fuel pump run when I turn on the key (3-5 seconds), but no pressure at the shraeder valve, any ideas? Had been running, started running rough when trying to...
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