P0441and p0456 Dodge grand caravan. how do I fix this

Question

I just got the error code how do i fix it

Answer 1

Hi there,

Both of these codes can be caused by a loose fuel cap or a bad seal on the cap to the fill tube.
If the fuel cap is tight and clean then the next step would be a smoke test to find the leak in the evap system. Because there is a small leak it may be the only way to find it, then repair the leak. Finding the leak should resolve both codes.