Faulty PCV system or engine blow-by.
Sounds like your oil drain passages in the motor are blocked up. When the oil is getting pumped up it is unable to drain back down and is blowing out your seals and burning up the oil.
On the firewall behind the throttlebody. On the firewall behind the throttlebody.
on top of engine in front of throttlebody/intake manifold and directly behing oil fill cap
No, not unless it is blowing oil out the hole.
heat and a/c barley blowing in back?
No the 2.8 has a Throttlebody fuel injected motor. The Throttlebody does look like a carburator, but it does have injectors.
Too much oil in it, have you hit somthing lately with mower ? timing could be off, rings leaking thru, [blow back] age of engine !
Oil Pump Check Valve. Replace oil pump
Check oil level on dipstick, oil could be over serviced.
It is on the throttlebody, opposite of the throttle cables.
You have too much oil in your gas, that's why oil and gas is coming out your exhaust.
Blow-by Engine is getting tired Excessive engine wear bad rings