Model: KB 250 Dc
Mileage: 150 000
Problem: Poor consumption and poor power esp at max RPM
Cause of problem(if known): Injectors overtightened by Engineers when reconditioning the head. This causes distortion producing a poor spray pattern. They look fine but show up on test. Owners need to be aware of this.
Specifics of repair work carried out: Injectors replaced, giving 13% more torque and 18% more KW even after reducing the fuelling 1/4 turn.
Cost of repair: R4480.
Who did the repair: Electrodiesel, durban north.
Vehicle under warranty, Y/N: N
Was damage covered by warranty: N
2006 Isuzu 250 Dc, 0.9 bar boost, large intercooler with new injectors (226 Nm, 68.6Kw). 4.3:1 Diff. EGT and boost guage.