Possible causes
– Manifold Differential Pressure (MDP) sensor harness open or shorted
– Manifold Differential Pressure (MDP) sensor circuit poor electrical connection
– Fualty Manifold Differential Pressure (MDP) sensor
– Manifold Differential Pressure (MDP) sensor circuit poor electrical connection
– Fualty Manifold Differential Pressure (MDP) sensor
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1400 HYUNDAI Description
Manifold Differential Pressure (MDP)