Every once in a while mainly when stopped my car will start shaking like its about to die, but never does. I can increase speed but not rapidly. The battery meter dips and comes right back up and the check engine light flashes and goes to steady. I just got an electrical tune-up, but it's still happening

try checking your timing and your alternator maybe on the alternator there is a bad bearing or lose bolt. but I really need to know if you have any noises.

There aren't any noises. Thanks for the reply:)

i have a 97 TA and it did the same. my problem was that the water pump leaked on the optispark causeing it to short out.

Check your Belt, and more importantely your belt tensioner if its a LS1 car

the flashing SES light is a random misfire code