2012-05-01 241.1 11.316 $3.819 21.31 "Mostly to and from work driving (mixed hwy and city)

Had trans checked by mechanic, so a bit of idling, working through the gears, and 100% throttle

Filled up at Costco- pump 13
Regular unleaded gasoline"
2012-05-07 218.3 10 $3.779 21.83 "Had vehicle svc dept (@ dealership) fill my tank between now and last fillup; did not look like a true full tank.

Not sure what mileage was on partial tank used before svc station put fuel in.

Quite a few Highway miles.

Added partial grill block and fog light covers approx 50 miles before fillup."
2012-05-13 326.4 12.799 $3.729 25.5 "First full tank with scangague and only me driving"
2012-05-20 274.7 11.507 $3.759 23.87 "Usual to and from work, road construction on Rt 7100. Took off grill block to see if I still pull a P0420 without it..."
2012-05-28 291.4 11.796 $3.479 24.7 "Construction on 7100 during commute to work. Driving through Reston to get away from backed up traffic at on-ramp to 7100 on my commute home, otherwise normal weekly driving and traffic volume.

Still driving without grill block; haven't pulled a P0420 since I took it off."
2012-06-23 267.7 12.067 $3.379 22.18 ""