this is what read out on machine said
06 hyundai sonata code p2187 system to lean idle bank 1 on 2006 Hyundai Sonata
2.4L 4cyl. or 3.3L V6? Got scanner?
If the fuel trims are high at idle, spray supplemental fuel around the engine area while monitoring the Oxygen (O2) Sensors and fuel trim to isolate a vacuum leak. Pinch off vacuum hoses one at a time while monitoring the Oxygen (O2) Sensors and fuel trim to isolate a leaking component.