Our Temperature Sensors are 100% tested for peak performance and worry-free operation Air Charge Temperature Sensor Walker Products 210-1148 ; Quantity. 2 available ; Item number. 374837443579 ; Manufacturer Warranty. 1 Year ; Quantity. 1 ; SELLER... The Air charge temperature (ACT) sensor is used by the PCM to determine the temperature and density of air entering the engine. 100% engineered & tested to OE specifications in fit, form and function Air Charge 2009-2020 Dodge Journey Connector - Walker 270-1052 Temperature Sensor Symptoms of failure include Poor fuel economy & reduced engine power, rough idle, surging & stalling, black smoke from engine or exhaust, and an overheating engine Best price for Walker Products® 210-1148 Air Charge Temperature Sensor. Lifetime Replacement Guarantee and Free 60-Day Returns. Buy now Temperature sensors fail due to simple wear and tear. The PCM then uses this information to determine fuel injector control and other outputs.