For sale is an AEM EMS-4 standalone engine computer with the map sensor, air intake temp sensor and coolant temp sensor along with it. Pictures of it working and reading sensor inputs are shown to show that this is not a dud or rip off smile.gif

Happy tuning/bidding/horsepower!

http://www.ebay.com/itm/AEM-EMS-4-ECU-with...73d&vxp=mtr

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