Our beater Nissan Altima has been throwing an "evaporative emissions small leak" code Aka the gas cap is missing code. Never really noticed the fuel filler neck was destroyed by the rust belt.. Anyone replace one of these? I got the code to stay away by placing a sheet of heavy duty plastic betwEen filler neck and cap to correct the bad seal and has thus far stayed away. will do some moRe digging tomorrow but fIgured I'd present to oppo. and as always suck it mobile kinja!