1999 Chevy 's 10 2.2L
It starts fine and it sits there and idling and it's
good. When I drive it it is fine till I go up a hill and it
starts missing like it's not getting g enough gas I
replaced the fuel pump, spark plugs and wires
chalked the fuel filter. I Baugh the pump at a junk
yard came out of a 96 or a 97 s10 they push the
same pressure I checked that what could it be