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p2623 HPFP Spill Valve malfunction

Posted: Sun Sep 14, 2025 2:53 am
by BoostedDreams
Good day
Please could anybody assist. I just installed Hondata HPFP and walbro LPFP. Car drives fine but randomly throws this error and car goes in limp mode.
Any Ideas what could cause this.

Re: p2623 HPFP Spill Valve malfunction

Posted: Sun Sep 14, 2025 3:18 pm
by BoostedDreams
My bad. I meant deatschwerks lpfp.

Re: p2623 HPFP Spill Valve malfunction

Posted: Mon Sep 15, 2025 10:16 am
by Spunkster
Post the calibration and a datalog showing when this happens.

Re: p2623 HPFP Spill Valve malfunction

Posted: Mon Sep 22, 2025 7:22 pm
by Hondata
The error indicates there is a problem with the HPFP wiring, connector or HPFP itself.