ka24e black smoke high idle and hard to start sometimes

[S13240sx1990]

ka24e black smoke high idle and hard to start sometimes I have changed all vacume lines and maf any sujestions?

[StoobyMcDooby]

ka24e black smoke high idle and hard to start sometimes I have changed all vacume lines and maf any sujestions?

Black smoke= Burning excessive fuel.. I bet your injector o-ring/seals are shot.. or the injectors themselves.