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Air charge temperature sensors measure air temperature through changing resistance and sends this information to the onboard computer. The computer uses this and other inputs to calculate the correct amount of fuel delivered. Symptoms of failure include no start, engine flooding, poor fuel economy and/or a steady check engine light. Recommended service should be performed every 25,000 to 35,000 miles and consists of cleaning or replacing sensors that are non-functional.
Walker Products began supplying the fuel system needs of the automotive industry in 1946. Today Walker is one of the largest, privately owned manufacturers of fuel system components and engine sensors, and has served the needs of the worldwide automotive aftermarket. We are committed to supplying products manufactured to meet or exceed OEM standards and specifications. This effort is backed by our own manufacturing, product management and engineering staff to ensure it is maintained and accurate in the production of quality parts, vehicle applications, instruction sheets and technical support. Our products include Carburetor and Fuel Injection Repair Kits, Oxygen Sensors and other Engine Management products such as Throttle Position Sensors, Cam and Crankshaft Sensors, Fuel Injectors, Spark Plug Wires and Gaskets. As an ISO 9001:2008 / TS16949 certified company, we are committed to supplying the highest quality products.
Mary Wilson
Reviewed in the United States on March 29, 2021
Put it on an 87 jeep Cherokee 2.5 of which they do not make anymore. Seems to be working just fine.
Christian James Harris-Gronholm
Reviewed in the United States on January 1, 2021
Bitch and a half installing it because of the placement of the exhaust and the sensor connector. My advice is to reach up from behind the transmission bell housing, and connect it up there. You'll need a 7/8 wrench to do the job.
briank
Reviewed in the United States on July 14, 2019
Walker is my go to for engine sensors. Great price and even better or quality. I was a little skeptical at first because of some negative reviews but I have had nothing but positive experiences from the dozen or sensors I've bought
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