I am working on a 89 S-10 pickup,2.5 TBI.I just purchased a Vantage 5.0 with [...] truck has a new dist,cap rotor,plugs,wires and 02 [...] is rough idle and it bogs down 3,4th [...] KV is18 to22KV with intermitant down [...] KV 3 to 3.5KV with down [...] time ... Login to read more.