I have a 2000 Chevy Blazer 4x4 4.3 vortex put scan on it and only thing it says is multiple misfire now it won't start at all unless I pull off number 4 wire and then it will fire right up and will so
I have a 2000 Chevy Blazer 4 by 4 4.3 vortec put
scan on it and says multiple misfires and right now
it will not start at all but if I take number 4 wire off
it'll fire right up but as soon as I put it back on it will
not start at all can someone explain to me why
that is