diff --git a/firmware/config/engines/custom_engine.cpp b/firmware/config/engines/custom_engine.cpp
index 553136b3e0..e844eef342 100644
--- a/firmware/config/engines/custom_engine.cpp
+++ b/firmware/config/engines/custom_engine.cpp
@@ -692,6 +692,7 @@ void mreBoardNewTest() {
 void setBoschHDEV_5_injectors() {
 	setLinearCurve(engineConfiguration->hpfpLobeProfileAngle, 0, 120, 1);
 	setLinearCurve(engineConfiguration->hpfpLobeProfileQuantityBins, 0, 100, 1);
+	setLinearCurve(engineConfiguration->hpfpDeadtimeVoltsBins, 8, 16, 0.5);
 
 	setLinearCurve(engineConfiguration->hpfpTargetRpmBins, 0, 8000, 1);
 	setLinearCurve(engineConfiguration->hpfpTargetLoadBins, 0, 180, 1);
diff --git a/firmware/controllers/engine_controller.cpp b/firmware/controllers/engine_controller.cpp
index 7ea0de7f5f..231d0bfe43 100644
--- a/firmware/controllers/engine_controller.cpp
+++ b/firmware/controllers/engine_controller.cpp
@@ -645,6 +645,7 @@ bool validateConfig() {
 
 	if (engineConfiguration->hpfpCamLobes > 0) {
 		ensureArrayIsAscending("HPFP compensation", engineConfiguration->hpfpCompensationRpmBins);
+		ensureArrayIsAscending("HPFP deadtime", engineConfiguration->hpfpDeadtimeVoltsBins);
 		ensureArrayIsAscending("HPFP lobe profile", engineConfiguration->hpfpLobeProfileQuantityBins);
 		ensureArrayIsAscending("HPFP target rpm", engineConfiguration->hpfpTargetRpmBins);
 		ensureArrayIsAscending("HPFP target load", engineConfiguration->hpfpTargetLoadBins);