check engine light

I have a 98 mercury villager the check engine keeps coming on have taken it to auto zone the code is p4116. They have no idea what it means.

first of all, don't take it to autozone. All they want to do is sell a part. Take it to a local shop. A good shop will have a good scanner that tells more than just codes. Alot of shops will scan it for free, the dealers will not. And did autozone clear the code. It may have been an intermitent code, which is just a fluke. If they didn't clear it, take it back and have them clear it just to see if it comes back on. It could be as simple as a loose gas cap. If it comes on then off sometimes, It could be a 02 sensor, which is common with ford products. If the light comes on after beeing turned off, go to good shop and have it scanned.