EPC and Malfunction Indicator Light on 2003 Volkswagen Jetta

The EPC and Malfunction Indicator light came on while driving for one second? What does that mean?

Asked by for the 2003 Volkswagen Jetta
You state "light came on while driving for one second" that means the light went off? did you by any chance look in the owners manual ?
2 more answers
Could be a MAF sensor. Bring it to autozone and have them pull the code.
It could be thortle body, pedal thortle pedal or MAF sensor