Air Temp SensorSmall ThreadIncl Plug &ampamp PinsThe Haltech intake Air Temperature Sensor (ATS)provides instantaneous intake air temperature information to theElectronic Control Unit (ECU). The ATS isa critical component of the engine management system as airtemperature directly effects air density (as air gets hotter itgets less dense). The Haltech ATS is made toOEM specifications and couples with a weatherproofwiring connector.An intake Air Temperature Sensor should be used with all engineconfigurations.The Haltech Air Temperature Sensor includes plug and pins.