got a code for bank 1 too lean already changed out my fuel filter got a brank new MAF. had some random misfires the other day found a bad valve cover gasket spark plug wells were full of oil. but i still cant figure out the p0171 code. all my vac lines are good coils are good spark plugs are good o2 ck good. please someone help.

 

Did you ever figure out what was causing the code?