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---- '''Starts OK when warm, but startup problems when cold''' This can be a LOT of things. Describe your setup. '''Besides''' the basic things on IssueReports (firmware, config, wirings, etc...), also * measure DC voltage on VR input ** maybe pullup-resistor adjustment is needed (like a stronger pullup) ? * elaborate on injector size * compare starting pulsewidth to the runnig pulsewidth (at low RPM, near 100 kPa) ---- '''Also stumbles during cruise''' At high power it kinda works, but not perfect. RPM, ignition advance, injection pulsewidth stays constant, it still stumbles. This can be a few things. Describe your setup. '''Besides''' the basic things on IssueReports (firmware, config, wirings, etc...), also * make some logs and take note where you experience the problem * what is the current consumption of the ignition coils (at known RPM and actual dwell times) ? ** maybe dwell adjustment needed. Too high dwell can break the coils and or the power ignition outputs * do you know fuel pressure ?
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