P1403 Chevrolet - What does P1403 code means? How to repair?

Question

What does error code P1403 mean on Daewoo Kalos 1,2 year-2004

Answer 1

HI there,

This code is for a loss of the 5 volt reference voltage at the egr sensor. This could be a problem with the egr valve or the ports for the egr valve being blocked off.