Check engine light, and car jerks randomly... on 1999 Chevrolet Prizm

My wifes car jerks when I hit the gas, but at random times. The check engine light is on, what could be causing that?

1 answer
Many thing, just look at this list of possibilities:
You will have to get the codes pulled from the engine control module, then reference this chart to see where you should start diagnosing the problem.