Join Date: Feb 2007
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On some of the Lags the speedo takes it pulse from the left-hand front ABS sensor via the ABS actuator. I suggest you haven't disconnected something between inadvertently.
Generaly replacing the sensors or wiring shouldn't show up as a fault - that is assuming the battery was disconnected during the work
Currently in madnoel10's garage:
Honda Civic 1.4l