P1128

DTC P1128: MAP Sensor Signal Lower Than Expected

NOTE: Before you troubleshoot, record all freeze data and review the general troubleshooting information.

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

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

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

NO - Replace the MAP sensor.