AP63490 - Ambient Air Temperature (AAT) Sensor
Brand: Alliant Power
Part Number: AP63490
Condition: New, Genuine OEM Quality
Application: 1994–1998 7.3L Ford Powerstroke
The AP63490 Ambient Air Temperature (AAT) sensor monitors outside air temperature to help the PCM optimize fuel delivery and emissions control strategies. This sensor provides critical input for cold-start enrichment and EGR system operation.
Accurate ambient temperature sensing is essential for proper engine management system operation, particularly during cold weather conditions when fuel delivery and emissions control strategies must be adjusted.
OEM Numbers: 9U2Z12A648A, DY1145
Keywords: AAT Sensor, Ambient Air Temperature, Engine Management, Early Powerstroke