I've been getting about 15.2 average now mixed highway/city. That is down from the consistent 16.1 that I was getting before I had my mass airflow meter replaced and some work done on the vacuum system. I usually drive around 85 mph on the highway so I know that has something to do with the relatively lower numbers. Anyone know if replacing mass airflow meter have an affect on the fuel consumption... possibly was running too lean before?

2001 4.4i sport