Clean all ground wire ends and the metal under them .I make ground wires from welding cable .From the battery to the block ,from the block to the subframe .The 1993 models had a hesitation at 3000rpm .Part of the bad stock program .Dirty ground wire conections will make it worse .Be sure the MAP sensor is good with tight fitting hoses .Readjust the throttle position sensor to see if there is a differance .
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