p1259

  1. J

    p1259 CEL that refuses to go away

    For awhile now, the only code I've had in my recently swapped black top JDM f23a is the p1259 vtec malfunction (fault bank 1) code. When replacing my old engine with this one, the oil pressure switch (located above the oil filter) wire broke on the loom, I soldered the wire back together before...
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