Hondata

Are you using a p28 ecu? That's what my S300 is installed in. I almost feel as if the ecu is not capable of switching the ground. Hopefully a Hondata rep can give some guidance or someone else who has solved this problem.

Problem at hand: I have my water injection system wired up as per the diagram in the help menu. I have the pump wired on the relay and I have checked and double checked my wiring. If I ground the wire that goes from the relay to the ecu the pump turns on. The wire is connected to A15 and no matter ...

I am having this same problem and haven't been able to get my car started for the past couple weeks. I had it started and idling to bleed my cooling system and check for leaks. I shut the car off that night and came back two days later and it hasn't started since. It cranks and kicks like it wants ...