Grand Theft Auto: San Andreas/Missions/Grove 4 Life
This is essentially a Turf War with the addition of Sweet's dubious help. He seems as likely to be run down by passing cars as other gang members, ending the mission automatically.
To complete the mission you need to take two territories in Idlewood. The first is marked by the mission pointer and I think the easiest second territory is at the garage (gas station).
Once the mission is complete you need to conquer a third of the remaining territories to open up the final mission.
Tip: when you quickly get in the car next to your home without Sweet and drive off alone to Idlewood, he won't follow you and the mission will be much easier without him getting killed around. Try to pick up all health packs you can.