Post your non-Hondata questions / problems here.
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No ... the 98 is a OBD2A and the 99-00 is a OBD2B. You will need the OBD2A to OBD1 conversion harness.silver bullett wrote:I have a ecu conversion harness for a 99-00 civic si dohc, will this work on a 98 ex sohc? (both v-tec)