Hondata

So when VTEC is working it has P1298 ELD Circuit Voltage High.

When VTEC is inop a short time later, the codes are P0500 VSS Malfunction, P1298 ELD Circuit High Voltage, and P0325 Knock Sensor Circuit Malfunction.

Since P1298 is present when VTEC is working, I assume that's not causing the ...

Thanks, @Spunkster. I'll check the codes and see what I'm missing here.

I am sorting out a K20A2 swap in an EK hatch that someone else built. Currently I have 3 main issues:

1) VTEC activation
VTEC works initially but stops working a couple of blocks from home. Log files show that the ECU stops commanding it. If we key off-on, VTEC is functional again for the same ...