What is causing my check engine light to flash? on 2004 Chevrolet Impala

On a very rainy day, I got some gas from the Shell and 15 miles later, my check engine light starts flashing and my car starts shaking as I accelerate.. Pulled over to the side of the road and my exhaust smells like I just fired off some fireworks.. Exhaust from the tailpipe is colorless... Took it to auto zone and I get the code for multiple misfires, system too lean, torque convertor sensor stuck on "On",and something about my fuel gauge.. Please give some idea of what wrong so I don't get highway robbed by a mechanic lol..

by in Jacksonville, FL on May 03, 2013
1 answer
ANSWER by on May 03, 2013
tell us what the code was and check to see if your gas cap is on right
Related Items:
Catalytic converter was stopped up replaced it and it runs fine for a little while and then my check engine light starts flashing and it won't take my gas and starts jerking then I turn it off come...
gas pedal has to be pumped in order to start it, when slowing down at stop lights, or to make a left or right turn the car dies, the car also uses a lot more gas, the message board is always flashi...