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    HELP fuel pump relay 1993 expl

    Well first i want to say thank you for the resulting posts. The Fuel codes 542 and 543 were CM codes. I beleive these happened about when the motor ran after i switched the fuel pump. Shortly after this last startup, the no-start began again. I recently cleared the codes and rechecked...
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    HELP fuel pump relay 1993 expl

    not sure, i will have to get a fuel rail tester to know. When i do so ill get back too you. I did code it again and instead of a code 556 *which is gone now I get a code: 542 & 543
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    HELP fuel pump relay 1993 expl

    still working on it, just want to mention.... my fuel pump does kick on, with 7v, still no start
  4. B

    HELP fuel pump relay 1993 expl

    recently I had a problem with the fuel pump on my 1993 ford explorer. The pump did not kick on. After replacing the fuel pump it still did not start. When i played with the relays "ECC and Fuel pump". plugging the in and out with the power on, I finally heard a click in the relay and truck...
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