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?

Asked by for the 1999 Chevrolet Prizm
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.