P0403 Ford - focus

Question

check engine light stays on and the scan tool says code P0403

Answer 1

HI there

This code is for an issue with the EGR system. A lot of different things can cause this code. Issues with the egr valve itself, plugged or blocked egr tube can also cause it. Here is some more info on the code for you.

P0403 FORD - Exhaust Gas Recirculation Control Circuit

Read more: https://www.autocodes.com/p0403_ford.html