i have a 1989 pajero auto have installed new 3 litre v6 motor run well but seams to use a lot of petrol i have been getting 15litres per 100 klm seems a lot to me any one have any idea how to cut this down injectors have been cleaned new air filters thanks any help would be good

 

Check/change your air filter.

These days with so much ethanol in gasoline, it gets consumed faster.

Try changing your o2 sensors.