Mirobuilds HIC-1 VR Conditioning Board Replacement – OBD1 Honda/Acura (1992–1995) Solve CEL codes 4, 8, and 9 for good!
The factory HIC-1 VR conditioning board inside OBD1 Honda/Acura ECUs (P06, P28, P30, and similar models) is a common failure point. When this board fails, it can cause ignition problems and trigger check engine light cod
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Worked as it should will definitely buy again if needed
