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Discussion Starter #1
My brother's civic has been running very poorly lately, it's not throwing any codes, but when I short the service connector to check the mil codes, the light comes on but does not turn off(I doesn't flash, it's on steady). I was told that that meant code 0(bad ecu), but the new ecu I bought does the same thing. Is it normal for the light to stay on (with the connector shorted)?
 
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