1998 Safari with 160000 miles having trouble with a intermittent misfire when cold or if it rains or if humid out side it runs very bad. Around here it misfires about 10 or so minutes its docent rain a lot here. But at the beach it its bad any ideas what it could be would appreciate any help. Its driving me crazy.
Replaced wires , plugs and cap rotor temp sensor and a air sensor that goes on air intake hose.