DTC P1129: MAP Sensor Signal Higher Than Expected
NOTE:
Before you troubleshoot, record all freeze data and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION
).
- Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the radiator fan comes on, then let it idle.
- Check the MAP SENSOR in the DATA LIST with the HDS.
Is 47.2 kPa (13.9 in.Hg, 354 mmHg) or less indicated?
- YES - Intermittent failure, system is OK at this time.
- NO - Replace the MAP sensor.