P1128

DTC P1128: MAP Sensor Signal Lower Than Expected

1. Turn the ignition switch ON (II).
2. Check the MAP SENSOR in the DATA LIST with the HDS.

Is 54.1 kPa (16.0 in.Hg, 406 mmHg), 1.6 V, or higher indicated?

YES - Intermittent failure, system is OK at this time.

NO - Replace the MAP sensor.