P1128

DTC P1128: MAP Sensor Signal Lower Than Expected

1. Turn the ignition switch ON (II).
2. Check the MAP with a scan tool or the HDS.

Is 64.4 kPa (483 mmHg, 19.0 in.Hg) or higher indicated?

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

NO - Replace the MAP sensor.