FiTech ECU No Response (Troubleshooting Guide)
FiTech ECU systems bring modern fuel injection precision to classic engines, but many users face an irritating issue: the dreaded ‘No Response’ message on their handheld controller. This error blocks essential tuning, data monitoring, and performance adjustments, leaving drivers without real-time control. Here, we dive into the common causes of this issue, from loose connections … Read more