Hondata

So when VTP activates it’s not the switch shuting down VTEC? When I was testing pressure switch when VTP would engaged on datalog the switch would lose continuity. Also vtec starts to pull and then fall on face right about when VTP engages on datalog.

I guess my issue is something else.

Here are the requested docs. Pressure switch still activates and disables VTEC right after VTEC engagement.

I took it when I was troubleshooting VTEC pressure. Same thing happens while driving even with pressure switch disabled in parameters. Not sure why the ECU will not disable it.

I have been chasing down my VTEC disengaging issue. B18C1 with P72 Hondata S300 (latest version pf software). VTEC engages and then disengaged via pressure switch with out throwing any error codes. I have troubleshot wiring/sensors and they are functioning. Oil pressure at the head test port while ...

AEM swapped gauge everything is perfect now.

Thanks for the input Spunkster! I will contact AEM and see if they can help.

Last calibration was wrong here is the one loaded currently. No get me close to proper AFR reading in Smanager.

I have read many posts with similar issues but none have helped me solve mine. I’m hoping someone can help me out. I have a P72 with Hondata S300 V3 (P72 base map). Engine runs great however I can’t get AFR in Smanager to match my AEM x series wideband.

Wiring is 12v from under dash fuse panel ...