M mommy811 New member Feb 15, 2010 #1 my 95 blazer has a 4.3 4x4 runs but has a miss when you rev the motor at like 3000rpms but runs smooth when at a idle and drives fine i put a new fuel pump in it and a cap and roter buttin spark plugs wires still has a miss
my 95 blazer has a 4.3 4x4 runs but has a miss when you rev the motor at like 3000rpms but runs smooth when at a idle and drives fine i put a new fuel pump in it and a cap and roter buttin spark plugs wires still has a miss
C cuddles New member Feb 15, 2010 #2 maybe the oxygen sensor...when they go bad it will have a miss and will be harder on gas
