pajero injector pump

[bae146]

Ok guys:

I am out in vancouver and I have a few questions regarding the injector pump.

1st symptom: When truck is hot the idle seams to be a bit rough, almost lumpylike a large lobed cam.

2nd symptom: When driving up the coquahalla up a steep grade I have periods of black smoke out the tailpipe, if I keep it floored the smoke will dissapear after about 30 seconds.

3rd symptom: After arriving in vancouver the truck seams to smoke quite a bit on acceleration. I also had to turn up the idle speed a bit as it was idleing a bit low.

So what do you think? Injector pump going?

This is on a 1991 pajero 5 speed 2.5 td