Last weekend it broke down on the side of the road and it ended up being the wire for oxygen sensor 02 melted against the exhaust pipe and grounding out. But i replaced the fuel filter but today it started up and was running fine during until i parked at the gas station when i left at first i thought i was just lugging the engine but no matter how much gas i gave it it would just feel like it was lugging so when i made it home i went to get codes and i got two. the first one was 4 flashes a long space and 2 more flashes the second was 1 flash a space and 4 more flashes and according to my chilton manual those are ignition signal and the other is vehicle speed sensor signal