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Recent content by Big Rich

  1. B

    89' 4.0 runs rough when cold

    No, because it runs great when it warms to about 170-180* After doing seach it be one of the sensors on the Thottle body or the temp switch, any good guess's Rich
  2. B

    89' 4.0 runs rough when cold

    This is probably simple, but.... Hard to start, runs really bad (like it's running on 3 cyl) until it warms up. I was thinking ISA motor on the throttle body ? Anyone have simuliar problems? The wife is realyy starting to annoy me about this ;) The correct lead to a fix will recieve 2 free...
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