Lincoln Ls Valve Cover Gasket Who Knows What The P1131 And P0171 Problem Codes Mean For An 2000 V8 Lincoln Ls?

Who knows what the p1131 and p0171 problem codes mean for an 2000 v8 lincoln ls? - lincoln ls valve cover gasket

Hello, my friends and started in 2000 Lincoln LS idling so rough it took to Autozone and the Search for a bug in the cylinder 7, so I the cap, which was covered with oil from i I know, no valve cover gaskets, so that I was changed and the coil 7 with # 5 and a new plug-in # 7 is now your rough idle, and thus leads to even Autozone, we now have P0171 and P1131 code problem ... I did some research and I believe, is the MAF sensor could clean up and expect everything back to normal?