I have a 95 f22b1 and need to replace the pressure valve. Where do I get them? Local part store don't seem to have them.

 

You can get a new one from the dealership, but it is expensive. A junkyard is a good source for cheap used parts.

I'm guessing that you got a code 21. Did you do the tests on the valve as outlined in the shop manual? You can get a 94 shop manual from the links posted in the Online Manuals thread in the DIY section that will show the tests on page 6-4.

 

No code 22

I have not done the checks. But it's kinda rusted so I wanted to just replace it. I will check the junk yards.

 

The tests for a code 22 are after the page I referenced before.

Check that your oil level is not low and do the tests on the pressure switch described in the manual.