diff --git a/firmware/controllers/actuators/electronic_throttle.cpp b/firmware/controllers/actuators/electronic_throttle.cpp
index b944111731..fc1cf6903d 100644
--- a/firmware/controllers/actuators/electronic_throttle.cpp
+++ b/firmware/controllers/actuators/electronic_throttle.cpp
@@ -332,8 +332,13 @@ expected<percent_t> EtbController::getSetpointEtb() {
 	auto etbRpmLimit = engineConfiguration->etbRevLimitStart;
 	if (etbRpmLimit != 0) {
 		auto fullyLimitedRpm = etbRpmLimit + engineConfiguration->etbRevLimitRange;
+
+		float targetPositionBefore = targetPosition;
 		// Linearly taper throttle to closed from the limit across the range
 		targetPosition = interpolateClamped(etbRpmLimit, targetPosition, fullyLimitedRpm, 0, rpm);
+
+		// rev limit active if the position was changed by rev limiter
+		etbRevLimitActive = absF(targetPosition - targetPositionBefore) > 0.1f;
 	}
 
 	float minPosition = engineConfiguration->etbMinimumPosition;
diff --git a/firmware/controllers/actuators/electronic_throttle.txt b/firmware/controllers/actuators/electronic_throttle.txt
index a9fed8de2c..16408bd6bb 100644
--- a/firmware/controllers/actuators/electronic_throttle.txt
+++ b/firmware/controllers/actuators/electronic_throttle.txt
@@ -10,5 +10,6 @@ float luaAdjustment
     float etbIntegralError;;"", 1, 0, -10000, 10000, 3
     float etbCurrentTarget;;"%", 1, 0, -10000, 10000, 3
 
+	bit etbRevLimitActive
 
 end_struct
\ No newline at end of file
diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index e4d424607d..cce42974d6 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -1362,6 +1362,7 @@ gaugeCategory = Outputs
 	indicator = { sd_logging_internal }, "SD logging", "SD logging", white, black, green, black
 	indicator = { sd_msd }, "SD USB", "SD USB", white, black, green, black
 	indicator = { isPumpOn }, "No Pump", "Pump", white, black, green, black
+	indicator = { etbRevLimitActive }, "", "ETB RPM Limit", white, black, yellow, black
 
 ; looks like TS would append four system indicators below: Data Logging, ???, Not Connected, Protocol Error