97 ranger 4.0 problems
ok 97 ranger 4.0 5spd 4x4 it is throwing a catalysy below threshold (i know what that is) but that is the only code and it has a slight skip (very slight) has new plugs and wires just put them on last week when it started also sometimes the air filter housing makes a weired humming sound? filter is new and clean???? got any thoughts
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