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Tach/Ecu

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Old 06-07-2022, 07:38 PM
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Default Tach/Ecu

I just installed flowforce ls ignition coils on my 91’ 1.6 miata. After doing this my tachometer no longer works as well as my pc will not connect to my speeduino ecu. Any ideas what might be causing this. The car turns on and runs but I am unable to communicate with the ecu.
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