2.4 lt turbocharched motor recently I have noticed the fuel consumption is high loosing 100 km per fill up also noticed oil leak on the bottom of my turbo and the intake hoses to the throttle intake have to add 1 ltre of oil for every 1000ks also my oil pressure gage not reading it sits at the low but the truck runs ok .is anyone can suggest what to do here are these issue related to each other my body suggests it's a turbo failure . Thanks