diff --git a/firmware/config/engines/ford_festiva.cpp b/firmware/config/engines/ford_festiva.cpp
index 18b6a801ef..13e4fbd3bb 100644
--- a/firmware/config/engines/ford_festiva.cpp
+++ b/firmware/config/engines/ford_festiva.cpp
@@ -179,9 +179,10 @@ void setFordEscortGt(DECLARE_ENGINE_PARAMETER_F) {
 	// VICS solenoid
 	/**
 	 * to test
-	 * set_fsio_setting 0 1
+	 * set_fsio_setting 0 5000
 	 */
 	engineConfiguration->bc.fsio_setting[0] = 5000;
+	// set_fsio_expression 1 "rpm 0 fsio_setting >"
 	setFsioExt(0, GPIOE_3, "rpm 0 fsio_setting >", 150 PASS_ENGINE_PARAMETER);
 
 	// end of Ford Escort GT config
diff --git a/firmware/controllers/core/fsio_impl.cpp b/firmware/controllers/core/fsio_impl.cpp
index 28a25605fa..6bcfa901a7 100644
--- a/firmware/controllers/core/fsio_impl.cpp
+++ b/firmware/controllers/core/fsio_impl.cpp
@@ -101,7 +101,7 @@ float getLEValue(Engine *engine, calc_stack_t *s, le_action_e action) {
 static void setFsioInputPin(const char *indexStr, const char *pinName) {
 	int index = atoi(indexStr) - 1;
 	if (index < 0 || index >= LE_COMMAND_COUNT) {
-		scheduleMsg(logger, "invalid index %d", index);
+		scheduleMsg(logger, "invalid FSIO index: %d", index);
 		return;
 	}
 	brain_pin_e pin = parseBrainPin(pinName);
@@ -117,7 +117,7 @@ static void setFsioInputPin(const char *indexStr, const char *pinName) {
 static void setFsioOutputPin(const char *indexStr, const char *pinName) {
 	int index = atoi(indexStr) - 1;
 	if (index < 0 || index >= LE_COMMAND_COUNT) {
-		scheduleMsg(logger, "invalid index %d", index);
+		scheduleMsg(logger, "invalid FSIO index: %d", index);
 		return;
 	}
 	brain_pin_e pin = parseBrainPin(pinName);
@@ -133,6 +133,9 @@ static void setFsioOutputPin(const char *indexStr, const char *pinName) {
 
 #endif
 
+/**
+ * index is between zero and LE_COMMAND_LENGTH-1
+ */
 void setFsioExt(int index, brain_pin_e pin, const char * exp, int freq DECLARE_ENGINE_PARAMETER_S) {
 	boardConfiguration->fsioPins[index] = pin;
 	int len = strlen(exp);
@@ -276,7 +279,7 @@ static void setPinState(const char * msg, OutputPin *pin, LEElement *element, En
 static void setFsioFrequency(int index, int frequency) {
 	index--;
 	if (index < 0 || index >= LE_COMMAND_COUNT) {
-		scheduleMsg(logger, "invalid index %d", index);
+		scheduleMsg(logger, "invalid FSIO index: %d", index);
 		return;
 	}
 	boardConfiguration->fsioFrequency[index] = frequency;
@@ -376,7 +379,7 @@ static void setFsioSetting(float indexF, float value) {
 #if EFI_PROD_CODE || EFI_SIMULATOR
 	int index = indexF;
 	if (index < 0 || index >= LE_COMMAND_COUNT) {
-		scheduleMsg(logger, "invalid index %d", index);
+		scheduleMsg(logger, "invalid FSIO index: %d", index);
 		return;
 	}
 	engineConfiguration->bc.fsio_setting[index] = value;
@@ -388,7 +391,7 @@ static void setFsioExpression(const char *indexStr, const char *quotedLine, Engi
 #if EFI_PROD_CODE || EFI_SIMULATOR
 	int index = atoi(indexStr) - 1;
 	if (index < 0 || index >= LE_COMMAND_COUNT) {
-		scheduleMsg(logger, "invalid index %d", index);
+		scheduleMsg(logger, "invalid FSIO index: %d", index);
 		return;
 	}
 	char * l = unquote((char*) quotedLine);
diff --git a/firmware/controllers/engine_controller.cpp b/firmware/controllers/engine_controller.cpp
index 25ca626452..d02d58fe99 100644
--- a/firmware/controllers/engine_controller.cpp
+++ b/firmware/controllers/engine_controller.cpp
@@ -443,7 +443,7 @@ static void setFloat(const char *offsetStr, const char *valueStr) {
 	getFloat(offset);
 }
 
-void initConfigActions(void) {
+static void initConfigActions(void) {
 	addConsoleActionSS("set_float", (VoidCharPtrCharPtr) setFloat);
 	addConsoleActionII("set_int", (VoidIntInt) setInt);
 	addConsoleActionII("set_short", (VoidIntInt) setShort);
@@ -462,8 +462,8 @@ static void getKnockInfo(void) {
 	engine->printKnockState();
 }
 
-void initEngineContoller(Logging *sharedLogger DECLARE_ENGINE_PARAMETER_S) {
-	addConsoleAction("analoginfo", printAnalogInfo);
+// this method is used by real firmware and simulator
+void commonInitEngineController(Logging *sharedLogger DECLARE_ENGINE_PARAMETER_S) {
 	initConfigActions();
 #if EFI_PROD_CODE
 	// todo: this is a mess, remove code duplication with simulator
@@ -479,9 +479,22 @@ void initEngineContoller(Logging *sharedLogger DECLARE_ENGINE_PARAMETER_S) {
 	if (hasFirmwareError()) {
 		return;
 	}
-
 	initSensors(sharedLogger PASS_ENGINE_PARAMETER_F);
 
+#if EFI_FSIO || defined(__DOXYGEN__)
+	initFsioImpl(sharedLogger PASS_ENGINE_PARAMETER);
+#endif
+}
+
+void initEngineContoller(Logging *sharedLogger DECLARE_ENGINE_PARAMETER_S) {
+	addConsoleAction("analoginfo", printAnalogInfo);
+	commonInitEngineController(sharedLogger);
+
+	if (hasFirmwareError()) {
+		return;
+	}
+
+
 #if EFI_PROD_CODE || defined(__DOXYGEN__)
 	initPwmGenerator();
 #endif
@@ -567,15 +580,10 @@ void initEngineContoller(Logging *sharedLogger DECLARE_ENGINE_PARAMETER_S) {
 
 	initAccelEnrichment(sharedLogger);
 
-	initConfigActions();
 #if EFI_PROD_CODE
 	addConsoleAction("reset_accel", resetAccel);
 #endif
 
-#if EFI_FSIO || defined(__DOXYGEN__)
-	initFsioImpl(sharedLogger PASS_ENGINE_PARAMETER);
-#endif
-
 #if EFI_HD44780_LCD || defined(__DOXYGEN__)
 	initLcdController();
 #endif
diff --git a/firmware/controllers/engine_controller.h b/firmware/controllers/engine_controller.h
index 3c2a9de3fa..2b48b7782a 100644
--- a/firmware/controllers/engine_controller.h
+++ b/firmware/controllers/engine_controller.h
@@ -15,8 +15,8 @@
 #include "engine.h"
 
 char * getPinNameByAdcChannel(adc_channel_e hwChannel, char *buffer);
-void initConfigActions(void);
 void initPeriodicEvents(DECLARE_ENGINE_PARAMETER_F);
 void initEngineContoller(Logging *sharedLogger DECLARE_ENGINE_PARAMETER_S);
+void commonInitEngineController(Logging *sharedLogger DECLARE_ENGINE_PARAMETER_S);
 
 #endif /* ENGINE_STATUS_H_ */
diff --git a/win32_functional_tests/simulator/rusEfiFunctionalTest.cpp b/win32_functional_tests/simulator/rusEfiFunctionalTest.cpp
index f45dffc528..0e4c0fdd9c 100644
--- a/win32_functional_tests/simulator/rusEfiFunctionalTest.cpp
+++ b/win32_functional_tests/simulator/rusEfiFunctionalTest.cpp
@@ -85,10 +85,8 @@ void rusEfiFunctionalTest(void) {
 	resetConfigurationExt(NULL, FORD_ESCORT_GT PASS_ENGINE_PARAMETER);
 	prepareShapes(PASS_ENGINE_PARAMETER_F);
 
-	initSensors(&sharedLogger PASS_ENGINE_PARAMETER);
-
 	initAlgo(&sharedLogger, engineConfiguration);
-	initConfigActions();
+	commonInitEngineController(&sharedLogger);
 
 	initRpmCalculator(&sharedLogger, engine);
 
@@ -108,12 +106,6 @@ void rusEfiFunctionalTest(void) {
 
 	startStatusThreads(engine);
 
-#if EFI_TUNER_STUDIO
-	if (engineConfiguration->isTunerStudioEnabled) {
-		startTunerStudioConnectivity();
-	}
-#endif
-
 	initPeriodicEvents(PASS_ENGINE_PARAMETER_F);
 }