diff --git a/firmware/controllers/engine_controller.cpp b/firmware/controllers/engine_controller.cpp
index ef95dca6fc..6c00f120b3 100644
--- a/firmware/controllers/engine_controller.cpp
+++ b/firmware/controllers/engine_controller.cpp
@@ -810,6 +810,6 @@ int getRusEfiVersion(void) {
 	if (initBootloader() != 0)
 		return 123;
 #endif /* EFI_BOOTLOADER_INCLUDE_CODE */
-	return 20190510;
+	return 20190515;
 }
 #endif /* EFI_UNIT_TEST */
diff --git a/firmware/controllers/system/efi_gpio.cpp b/firmware/controllers/system/efi_gpio.cpp
index 467d96daf8..feb5eea406 100644
--- a/firmware/controllers/system/efi_gpio.cpp
+++ b/firmware/controllers/system/efi_gpio.cpp
@@ -33,13 +33,20 @@ extern LoggingWithStorage sharedLogger;
 
 pin_output_mode_e DEFAULT_OUTPUT = OM_DEFAULT;
 
-static const char *sparkNames[IGNITION_PIN_COUNT] = { "c1", "c2", "c3", "c4", "c5", "c6", "c7", "c8",
+static const char *sparkNames[IGNITION_PIN_COUNT] = { "coil1", "coil2", "coil3", "coil4", "coil5", "coil6", "coil7", "coil8",
+		"coil9", "coil10", "coil11", "coil12"};
+
+// these short names are part of engine sniffer protocol
+static const char *sparkShortNames[IGNITION_PIN_COUNT] = { "c1", "c2", "c3", "c4", "c5", "c6", "c7", "c8",
 		"c9", "cA", "cB", "cD"};
 
-static const char *injectorNames[INJECTION_PIN_COUNT] = { "i1", "i2", "i3", "i4", "i5", "i6", "i7", "i8",
+static const char *injectorNames[INJECTION_PIN_COUNT] = { "injector1", "injector2", "injector3", "injector4", "injector5", "injector6",
+		"injector7", "injector8", "jnjector9", "injector10", "injector11", "injector12"};
+
+static const char *injectorShortNames[INJECTION_PIN_COUNT] = { "i1", "i2", "i3", "i4", "i5", "i6", "i7", "i8",
 		"j9", "iA", "iB", "iC"};
 
-static const char *auxValveNames[INJECTION_PIN_COUNT] = { "a1", "a2"};
+static const char *auxValveShortNames[INJECTION_PIN_COUNT] = { "a1", "a2"};
 
 EnginePins::EnginePins() {
 	dizzyOutput.name = DIZZY_NAME;
@@ -47,13 +54,15 @@ EnginePins::EnginePins() {
 
 	for (int i = 0; i < IGNITION_PIN_COUNT;i++) {
 		enginePins.coils[i].name = sparkNames[i];
+		enginePins.coils[i].shortName = sparkShortNames[i];
 	}
 	for (int i = 0; i < INJECTION_PIN_COUNT;i++) {
 		enginePins.injectors[i].injectorIndex = i;
 		enginePins.injectors[i].name = injectorNames[i];
+		enginePins.injectors[i].shortName = injectorShortNames[i];
 	}
 	for (int i = 0; i < AUX_DIGITAL_VALVE_COUNT;i++) {
-		enginePins.auxValve[i].name = auxValveNames[i];
+		enginePins.auxValve[i].name = auxValveShortNames[i];
 	}
 }
 
@@ -209,6 +218,14 @@ NamedOutputPin::NamedOutputPin() : OutputPin() {
 	name = NULL;
 }
 
+const char *NamedOutputPin::getName() {
+	return name;
+}
+
+const char *NamedOutputPin::getShortName() {
+	return shortName == NULL ? name : shortName;
+}
+
 NamedOutputPin::NamedOutputPin(const char *name) : OutputPin() {
 	this->name = name;
 }
@@ -223,7 +240,7 @@ void NamedOutputPin::setHigh() {
 
 #if EFI_ENGINE_SNIFFER
 
-	addEngineSnifferEvent(name, WC_UP);
+	addEngineSnifferEvent(getShortName(), WC_UP);
 #endif /* EFI_ENGINE_SNIFFER */
 }
 
@@ -238,7 +255,7 @@ void NamedOutputPin::setLow() {
 #endif /* EFI_DEFAILED_LOGGING */
 
 #if EFI_ENGINE_SNIFFER
-	addEngineSnifferEvent(name, WC_DOWN);
+	addEngineSnifferEvent(getShortName(), WC_DOWN);
 #endif /* EFI_ENGINE_SNIFFER */
 }
 
diff --git a/firmware/controllers/system/efi_gpio.h b/firmware/controllers/system/efi_gpio.h
index d9f38eddc6..94b8198937 100644
--- a/firmware/controllers/system/efi_gpio.h
+++ b/firmware/controllers/system/efi_gpio.h
@@ -77,12 +77,15 @@ public:
 	NamedOutputPin(const char *name);
 	void setHigh();
 	void setLow();
+	const char *getName();
+	const char *getShortName();
 	/**
 	 * @return true if pin was stopped
 	 */
 	bool stop();
 	// todo: char pointer is a bit of a memory waste here, we can reduce RAM usage by software-based getName() method
 	const char *name;
+	const char *shortName = NULL;
 };
 
 class InjectorOutputPin : public NamedOutputPin {
diff --git a/firmware/controllers/trigger/spark_logic.cpp b/firmware/controllers/trigger/spark_logic.cpp
index 28d4014250..4b001acab7 100644
--- a/firmware/controllers/trigger/spark_logic.cpp
+++ b/firmware/controllers/trigger/spark_logic.cpp
@@ -51,7 +51,7 @@ static void fireSparkBySettingPinLow(IgnitionEvent *event, IgnitionOutputPin *ou
 	output->signalFallSparkId = event->sparkId;
 
 	if (!output->currentLogicValue) {
-		warning(CUSTOM_OUT_OF_ORDER_COIL, "out-of-order coil off %s", output->name);
+		warning(CUSTOM_OUT_OF_ORDER_COIL, "out-of-order coil off %s", output->getName());
 		output->outOfOrder = true;
 	}
 
@@ -66,7 +66,7 @@ static void fireSparkBySettingPinLow(IgnitionEvent *event, IgnitionOutputPin *ou
 // todo: make this a class method?
 #define assertPinAssigned(output) { \
 		if (!output->isInitialized()) { \
-			warning(CUSTOM_OBD_COIL_PIN_NOT_ASSIGNED, "no_pin_cl #%s", (output)->name); \
+			warning(CUSTOM_OBD_COIL_PIN_NOT_ASSIGNED, "no_pin_cl #%s", (output)->getName()); \
 		} \
 }
 
@@ -165,7 +165,7 @@ static void startDwellByTurningSparkPinHigh(IgnitionEvent *event, IgnitionOutput
 #if ! EFI_UNIT_TEST
 
 	if (GET_RPM_VALUE > 2 * engineConfiguration->cranking.rpm) {
-		const char *outputName = output->name;
+		const char *outputName = output->getName();
 		if (prevSparkName == outputName && getCurrentIgnitionMode(PASS_ENGINE_PARAMETER_SIGNATURE) != IM_ONE_COIL) {
 			warning(CUSTOM_OBD_SKIPPED_SPARK, "looks like skipped spark event %d %s", getRevolutionCounter(), outputName);
 		}
diff --git a/firmware/hw_layer/pin_repository.cpp b/firmware/hw_layer/pin_repository.cpp
index 640f95116d..828c2ea3ae 100644
--- a/firmware/hw_layer/pin_repository.cpp
+++ b/firmware/hw_layer/pin_repository.cpp
@@ -251,10 +251,7 @@ bool brain_pin_is_ext(brain_pin_e brainPin)
  * @return true if this pin was already used, false otherwise
  */
 
-bool brain_pin_markUsed(brain_pin_e brainPin, const char *msg)
-{
-	int index;
-
+bool brain_pin_markUsed(brain_pin_e brainPin, const char *msg) {
 	if (!initialized) {
 		firmwareError(CUSTOM_ERR_PIN_REPO, "repository not initialized");
 		return false;
@@ -264,7 +261,7 @@ bool brain_pin_markUsed(brain_pin_e brainPin, const char *msg)
 	scheduleMsg(&logger, "%s on %s", msg, hwPortname(brainPin));
 #endif
 
-	index = brainPin_to_index(brainPin);
+	int index = brainPin_to_index(brainPin);
 	if (index < 0)
 		return true;