engine light on

What is your question?

evap purge valve replaced 3 wks ago ..light on again,replaced fuel cap today..light still on,could it be the charcoal filter or what

What makes this problem better or worse?

runs perfectly fine,just the lights on

How long has your 2018 Hyundai Ioniq had this problem?

purge valve replaced 3 wks ago,gas cap today