Need some help with a 2005 F250 6.0l

Have an oil leak, and was told it was the oil cooler. However... There is no oil in my coolant There is oil puddled up on top of the oil cooler. I have not removed any parts as i can not afford to have the truck down for more then one day, i work two jobs and am only off sundays. But I can see the top of the oil cooler, there is oil there as well as all down the motor dripping onto the front diff and puddlng on the ground. i kept it topped off today and it burnt through 1/2 gallon of oil. Need some other leads.. was told possibly a head gasket? or an oil line into/out of the oil cooler? Thank you in advance!

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By the way, this was a work truck for a timber company. And i just got the truck yesterday. So not much of an idea of driving conditions, but being a company vehcle, im assuming stock.

 

It is most likely coming from the Oil temp sensor or the oil pressure sensor that are in top of the oil cooler housing, it could also be the oring on bottom of the oil filter housing. My bet is a bad sensor and that it is leaking.

 

I replaced Oil pressure sensor, slowed the leak way down then used about 6 or 7 cans of brake cleaner from work to clean the the oil off from all over the place. Sensor is no longer leaking, but still have oil running down the front of the motor cant really seem to pin point it. thinking the gasket between the block and the oil cooler maybe? The EOT sensor im relatively sure isn't leaking. don't see oil on the top of it the way i did the pressure sensor. i ahve slowed the oil leak quite a bit though. Went from topping off with almost a half gallon a day to just under a quarter of a quart in the last 70 miles.

 

there are alot of places oil leaks can come from so sometimes it is best to add leak dye to the oil to trace em down! remember not to put too much oil in these engines because you will just cause egr and cac problems, just fill to the middle of the safe marks on the stick