diff --git a/firmware/config/engines/dodge_neon.cpp b/firmware/config/engines/dodge_neon.cpp
index b57b13fe60..78d810aeab 100644
--- a/firmware/config/engines/dodge_neon.cpp
+++ b/firmware/config/engines/dodge_neon.cpp
@@ -465,7 +465,7 @@ void setDodgeNeonNGCEngineConfiguration(DECLARE_ENGINE_PARAMETER_F) {
 	
 #if EFI_FSIO || defined(__DOXYGEN__)
 //	/**
-//	 * set_fsio_setting 0 0.55
+//	 * set_fsio_setting 1 0.55
 //	 */
 //	boardConfiguration->fsio_setting[0] = 0.55;
 //	setFsioExt(0, GPIOE_5, "0 fsio_setting", 400 PASS_ENGINE_PARAMETER);
diff --git a/firmware/config/engines/ford_festiva.cpp b/firmware/config/engines/ford_festiva.cpp
index ffb5a89a65..89c0beae2d 100644
--- a/firmware/config/engines/ford_festiva.cpp
+++ b/firmware/config/engines/ford_festiva.cpp
@@ -227,19 +227,19 @@ void setFordEscortGt(DECLARE_ENGINE_PARAMETER_F) {
 	// VICS solenoid
 	/**
 	 * to test
-	 * set_fsio_setting 0 5000
+	 * set_fsio_setting 1 5000
 	 */
 	boardConfiguration->fsio_setting[0] = 5000;
 	// set_rpn_expression 1 "rpm 0 fsio_setting >"
-	setFsioExt(0, GPIOE_3, "rpm 0 fsio_setting >", 150 PASS_ENGINE_PARAMETER);
+	setFsioExt(0, GPIOE_3, "rpm 1 fsio_setting >", 150 PASS_ENGINE_PARAMETER);
 
 
 	// warning light
 	/**
 	 * to test
-	 * set_fsio_setting 1 1800
-	 * set_fsio_setting 2 95
-	 * set_fsio_setting 3 14
+	 * set_fsio_setting 2 1800
+	 * set_fsio_setting 3 95
+	 * set_fsio_setting 4 14
 	 *
 	 * set_rpn_expression 1 "rpm 0 fsio_setting > coolant 1 fsio_setting > | vbatt 2 fsio_setting < |"
 	 * eval "rpm 0 fsio_setting > coolant 1 fsio_setting > | vbatt 2 fsio_setting < |"
@@ -248,7 +248,7 @@ void setFordEscortGt(DECLARE_ENGINE_PARAMETER_F) {
 	boardConfiguration->fsio_setting[2] = 90; // CLT threshold
 	boardConfiguration->fsio_setting[3] = 13.5; // voltage threshold
 
-	setFsio(1, GPIOC_13, "rpm 1 fsio_setting > coolant 2 fsio_setting > | vbatt 3 fsio_setting < |" PASS_ENGINE_PARAMETER);
+	setFsio(1, GPIOC_13, "rpm 2 fsio_setting > coolant 3 fsio_setting > | vbatt 4 fsio_setting < |" PASS_ENGINE_PARAMETER);
 
 
 	config->ignitionRpmBins[0] = 800;
diff --git a/firmware/config/engines/lada_kalina.cpp b/firmware/config/engines/lada_kalina.cpp
index b6514ae631..a1a84762e8 100644
--- a/firmware/config/engines/lada_kalina.cpp
+++ b/firmware/config/engines/lada_kalina.cpp
@@ -52,10 +52,10 @@ void setLadaKalina(DECLARE_ENGINE_PARAMETER_F) {
 	// starter relay solenoid
 	/**
 	 * to test
-	 * set_fsio_setting 0 5000
+	 * set_fsio_setting 1 5000
 	 */
 	engineConfiguration->bc.fsio_setting[0] = 500;
 	// set_rpn_expression 1 "rpm 0 fsio_setting <"
-	setFsioExt(0, GPIOE_3, "rpm 0 fsio_setting <", 0 PASS_ENGINE_PARAMETER);
+	setFsioExt(0, GPIOE_3, "rpm 1 fsio_setting <", 0 PASS_ENGINE_PARAMETER);
 
 }
diff --git a/firmware/config/engines/mazda_miata_1_6.cpp b/firmware/config/engines/mazda_miata_1_6.cpp
index 5e54e310b4..30b4cdc4f9 100644
--- a/firmware/config/engines/mazda_miata_1_6.cpp
+++ b/firmware/config/engines/mazda_miata_1_6.cpp
@@ -167,28 +167,29 @@ void setMiataNA_1_6_Configuration(DECLARE_ENGINE_PARAMETER_F) {
 	// warning light
 	/**
 	 * to test
-	 * set_fsio_setting 0 1800
-	 * set_fsio_setting 1 95
-	 * set_fsio_setting 3 14
+	 * set_fsio_setting 1 1800
+	 * set_fsio_setting 2 95
+	 * set_fsio_setting 4 14
 	 *
 	 * set_rpn_expression 1 "rpm 0 fsio_setting > coolant 1 fsio_setting > | vbatt 2 fsio_setting < |"
-	 * rpn_eval "rpm 0 fsio_setting > coolant 1 fsio_setting > | vbatt 2 fsio_setting < |"
+	 * rpn_eval "rpm 1 fsio_setting > coolant 2 fsio_setting > | vbatt 4 fsio_setting < |"
 	 */
 	boardConfiguration->fsio_setting[0] = 6400; // RPM threshold
-	boardConfiguration->fsio_setting[1] = 100; // CLT threshold
-	boardConfiguration->fsio_setting[2] = 13.0; // voltage threshold
+	boardConfiguration->fsio_setting[1] = 100; // CLT threshold, fsio_setting #2
+	boardConfiguration->fsio_setting[2] = 13.0; // voltage threshold, fsio_setting #3
 
-	//	set_fsio_setting 3 3000
-	boardConfiguration->fsio_setting[3] = 3000; // oil pressure RPM
-	// set_fsio_setting 4 0.52
-	boardConfiguration->fsio_setting[4] = 0.52; // oil pressure threshold
+	//	set_fsio_setting 4 3000
+	boardConfiguration->fsio_setting[3] = 3000; // oil pressure RPM, fsio_setting #4
+	// set_fsio_setting 5 0.52
+	boardConfiguration->fsio_setting[4] = 0.52; // oil pressure threshold, fsio_setting #5
 
 //	 * set_rpn_expression 1 "rpm 3 fsio_setting >"
-	// rpn_eval "rpm 3 fsio_setting >"
+	// rpn_eval "rpm 1 fsio_setting >"
 	// rpn_eval "fsio_input"
 
-	// set_rpn_expression 0 "rpm 3 fsio_setting > fsio_input 4 fsio_setting < & rpm 0 fsio_setting | > coolant 1 fsio_setting > | vbatt 2 fsio_setting < |"
+	// set_fsio_expression 0 "((rpm > fsio_setting(4) & (fsio_input < fsio_setting(5)) | rpm > fsio_setting(1) | (coolant > fsio_setting(2)  > | (vbatt < fsio_setting(3)"
 
+	// todo: convert
 	setFsio(0, GPIOC_13, "rpm 3 fsio_setting > fsio_input 4 fsio_setting < & rpm 0 fsio_setting | > coolant 1 fsio_setting > | vbatt 2 fsio_setting < |" PASS_ENGINE_PARAMETER);
 
 	boardConfiguration->ignitionPins[0] = GPIOE_14; // Frankenso high side - pin 1G
diff --git a/firmware/config/engines/mazda_miata_nb.cpp b/firmware/config/engines/mazda_miata_nb.cpp
index d7a45bfbd3..00af898a10 100644
--- a/firmware/config/engines/mazda_miata_nb.cpp
+++ b/firmware/config/engines/mazda_miata_nb.cpp
@@ -83,7 +83,7 @@ void setMazdaMiataNb1EngineConfiguration(DECLARE_ENGINE_PARAMETER_F) {
 	// VICS solenoid
 	/**
 	 * to test
-	 * set_fsio_setting 0 5000
+	 * set_fsio_setting 1 5000
 	 */
 	boardConfiguration->fsio_setting[0] = 5000;
 	// (self and (rpm > 4800)) OR (rpm > 5000)
diff --git a/firmware/config/engines/mazda_miata_vvt.cpp b/firmware/config/engines/mazda_miata_vvt.cpp
index 4bd236bf5d..b3073390af 100644
--- a/firmware/config/engines/mazda_miata_vvt.cpp
+++ b/firmware/config/engines/mazda_miata_vvt.cpp
@@ -129,7 +129,7 @@ void setMazdaMiata2003EngineConfiguration(DECLARE_ENGINE_PARAMETER_F) {
 	engineConfiguration->auxPidFrequency[0] = 300;
 	engineConfiguration->auxPidPins[0] = GPIOE_3; // VVT solenoid control
 	//	/**
-	//	 * set_fsio_setting 0 0.55
+	//	 * set_fsio_setting 1 0.55
 	//	 */
 	boardConfiguration->fsio_setting[0] = 0.0;
 //	setFsioExt(0, GPIOE_3, "0 fsio_setting", 400 PASS_ENGINE_PARAMETER);
diff --git a/firmware/controllers/core/fsio_core.cpp b/firmware/controllers/core/fsio_core.cpp
index ca082cc8f7..bcdab9288e 100644
--- a/firmware/controllers/core/fsio_core.cpp
+++ b/firmware/controllers/core/fsio_core.cpp
@@ -255,8 +255,8 @@ bool LECalculator::processElement(Engine *engine, LEElement *element) {
 	}
 		break;
 	case LE_METHOD_FSIO_SETTING: {
-		float i = pop(LE_METHOD_FSIO_SETTING);
-		int index = (int) i;
+		float humanIndex = pop(LE_METHOD_FSIO_SETTING);
+		int index = (int) humanIndex - 1;
 		if (index >= 0 && index < LE_COMMAND_COUNT) {
 			push(element->action, engine->engineConfiguration->bc.fsio_setting[index]);
 		} else {
diff --git a/firmware/controllers/core/fsio_impl.cpp b/firmware/controllers/core/fsio_impl.cpp
index ce7a982ba2..9a909a21a6 100644
--- a/firmware/controllers/core/fsio_impl.cpp
+++ b/firmware/controllers/core/fsio_impl.cpp
@@ -325,7 +325,11 @@ static void setFsioFrequency(int index, int frequency) {
 		return;
 	}
 	boardConfiguration->fsioFrequency[index] = frequency;
-	scheduleMsg(logger, "Setting FSIO frequency %d on #%d", frequency, index + 1);
+	if (frequency == 0) {
+		scheduleMsg(logger, "FSIO output #%d@%s set to on/off mode", index + 1, hwPortname(boardConfiguration->fsioPins[index]));
+	} else {
+		scheduleMsg(logger, "Setting FSIO frequency %dHz on #%d@%s", frequency, index + 1, hwPortname(boardConfiguration->fsioPins[index]));
+	}
 }
 
 void runFsio(void) {
@@ -426,16 +430,16 @@ static void showFsioInfo(void) {
 }
 
 /**
- * set_fsio_setting 0 0.11
+ * set_fsio_setting 1 0.11
  */
 static void setFsioSetting(float indexF, float value) {
 #if EFI_PROD_CODE || EFI_SIMULATOR
-	int index = (int)indexF;
-	if (index < 0 || index >= LE_COMMAND_COUNT) {
-		scheduleMsg(logger, "invalid FSIO index: %d", index);
+	int humanIndex = (int)indexF;
+	if (humanIndex < 1 || humanIndex > LE_COMMAND_COUNT) {
+		scheduleMsg(logger, "invalid FSIO index: %d", humanIndex);
 		return;
 	}
-	engineConfiguration->bc.fsio_setting[index] = value;
+	engineConfiguration->bc.fsio_setting[humanIndex] = value;
 	showFsioInfo();
 #endif
 }