What makes engine jerk and die while driving then

What is your question?

Was driving 35 mph and engine ran rough for 3 seconds then dead no power and battery was drained and still will not start The car has 235000 miles on engine but it runs smoothly serviced regularly engine light on code read gas cap leak on seal

What makes this problem better or worse?

Car will not turn over

How long has your 2002 Pontiac Bonneville had this problem?

Not at all