I've had the flying miata FM221 on my MSM for about 2 years now. There's 2 things that the car does that it didn't do with the stock ECU and trying to figure out why.
1) When driving on the highway, 6th gear about 4000 RPM, every so often the car will buck. Like a hard miss, then return to normal. Right after it happens i see the battery light flash once. I've never been able to capture it with logging - any ideas?
2) Under wide open throttle, the tachometer jumps all over the place. Like the gauge is losing signal. There doesn't seem to be any loss of engine performance. This i can reproduce consistently - happens every time i go wide open throttle.
For the latest firmware and user manauls for your ME221 ECU, or for other technical support Q&A, this is the forum!
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