Building a My16M Fuel Injection ECU.
When you're not satisfied with the performance of the Weber Marelli 16M ECU, you have a number of opportunities:
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Adjust TPS, low range mixture pot-meter, bypass valves, and balance till you drop.
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Buy a different EPROM
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Install an extra black box (Power Commander or equivalent) to alter the injection signal, and maybe the ignition timing.
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Ditch the Weber Marelli, and install a third party ECU.
I tried the adjustment fix, but I was never quite satisfied with the result, it still had the occasional misfire at 3500-4000 RPM, and the idle was never as stable as on my old Le Mans with 40mm Dell Orto's.