560SEC (126.045) V8-5.6L (117.968) (1989)
EGR Temperature Sensor: Pressure, Vacuum and Temperature Specifications
Oxygen Sensor Operating Temperature ...................................................................................................................................... 660 - 1560°F (350 - 850°C)
EGR Temperature Sensor Fault Signal [1]........................................................................................................................................................248°F (120°C)
.
[1] At normal operating temperatures, the CIS-E control unit will
recognize an EGR temperature < 248°F as a fault.