Methods Of Design Domination

+18 07 Hyundai Sonata Check Engine Light References . Check engine light on, obd p0700, p0717. So my question is what is going on with the car how do i correct the problem? Hyundai Sonata Check Engine Light from joongangdesign.blogspot.com This is because a vacuum leak can also cause the engine to run lean, so this can trigger the check engine light. You need a diagnostic tool to read the trouble codes associated with the check engine light: Testing ask your own hyundai question no.