I found the problem . I was just fooling around under the hood last night and noticed the pcv valve was kinda loose in the grommit , so after calling every parts store within 50 miles and no-one having or can order a new grommit I used some gasket silicon and made it fit again . No more Lean codes and alot better mpg . Yesterday it used a 1/4 tank in less than 40-50 miles , today I got 125 miles to less than a 1/4 pulling a trailer .
Not bad for a truck with 186,000 miles and will still smoke the tires and get sideways .

Thanks for all the advice ...

 

That will do it. Do you have a Motorcraft PCV valve or an aftermarket?

 

i hope i get 186,000 out of mine without to many troubles

 

I am not sure what brand it is .
Well fellas bad news , It ran good for a few days and now the problem is back . And when the light comes on gas milleage goes way way down . This is driving me crazy .

 

Replace the PCV valve with a new Motorcraft.

 

x2!

 

Will try that . I am also going to get that exhaust leak fixed that is 3 inches from the cat and 02 sensor .

 

Where Do I get a Motorcraft one at

 

Try parts stores. If not, there's always a Ford dealer.

 

The parts store carry the Fram brand or whatever it is .
Think I will avoid Ford Stealership at all costs . They are the ones who tried to feed me a load of bull***** about the problem being an internal valve inside the plenum

 

not to bad an idea. god i love beer

 

Frams are KNOWN to cause problems. Much as you despise the dealership, what's the big deal about just buying a part if you have to?

Rockauto.com doesn't stock the Motorcraft.

http://www.car-stuff.com/carparts/fo...tmiev2511.html

EV-251

 

Oreily can order it for me at $9.49 and have it by Monday . I will just do that .

 

Good deal.