Possible causes

– Faulty Manifold Absolute Pressure (MAP) sensor
– Manifold Absolute Pressure (MAP) sensor harness is open or shorted
– Manifold Absolute Pressure (MAP) sensor circuit poor electrical connection

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)
– Engine rough idle
– Engine hesitation

P1107 HYUNDAI Description

Manifold Absolute Pressure (MAP) sensor