Subaru Throttle Body Relearn — idle relearn Subaru stalls after battery disconnect If you have a Subaru stalls after battery disconnect, here’s why it happens and what you can do to fix it. Subarus since the mid 2000’s have an electronic throttle body. Over time those throttle bodies can develop carbon buildup. As the carbon builds up, the ECM learns a new “home” position for the throttle plate. However, when you disconnect the battery or clean the throttle body, you must perform a Subaru throttle body relearn. Subaru calls it … Read More
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