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Showing results for tags 'aem x series'.
Hey guys, after less than a year the o2 sensor that came with the AEM 40-4110 stopped to work properly. Doing some research I discovered that most likely it was because I had it wired on the ignition on and when the car is not running the sensor heater was always on and it could shorter the sensor lifetime. To avoid this problem on the future I found 2 options: 1) Using the Link Can that has the power to manager it; 2) Wiring a relay on a GP Output to power the sensor only after the engine is running; I ended picking the AEM X 30-0300 to use it over can. The choice of the AEM X ins