diff --git a/firmware/controllers/core/interpolation.cpp b/firmware/controllers/core/interpolation.cpp
index a32b8570bd..3cceb06ef0 100644
--- a/firmware/controllers/core/interpolation.cpp
+++ b/firmware/controllers/core/interpolation.cpp
@@ -170,6 +170,8 @@ void ensureArrayIsAscending(const char *msg, const float array[], int size) {
 /** @brief	Binary search
  * @returns	the highest index within sorted array such that array[i] is greater than or equal to the parameter
  * @note If the parameter is smaller than the first element of the array, -1 is returned.
+ *
+ * See also ensureArrayIsAscending
  */
 int findIndexMsg(const char *msg, const float array[], int size, float value) {
 	if (cisnan(value)) {
diff --git a/firmware/controllers/sensors/thermistors.cpp b/firmware/controllers/sensors/thermistors.cpp
index d920cacd40..8c5090fd17 100644
--- a/firmware/controllers/sensors/thermistors.cpp
+++ b/firmware/controllers/sensors/thermistors.cpp
@@ -77,10 +77,20 @@ float getResistance(ThermistorConf *config, float voltage) {
 	return resistance;
 }
 
-float getTemperatureC(ThermistorConf *config, ThermistorMath *tm) {
+float getTemperatureC(ThermistorConf *config, ThermistorMath *tm, bool useLinear) {
 	tm->setConfig(&config->config); // implementation checks if configuration has changed or not
 
 	float voltage = getVoltageDivided("term", config->adcChannel);
+	if (useLinear) {
+			// todo: fix this horrible code!
+			// should work as a short term fix.
+			// todo: move 'useLinearXXXSensor' into termistor configuration record
+		// yes, we use 'resistance' setting for 'voltage' here
+		return interpolate(config->config.resistance_1, config->config.tempC_1,
+				config->config.resistance_2, config->config.tempC_2,
+						voltage);
+
+	}
 	float resistance = getResistance(config, voltage);
 
 	float kelvinTemperature = tm->getKelvinTemperatureByResistance(resistance);
@@ -109,7 +119,8 @@ float getCoolantTemperature(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
 		engine->isCltBroken = false;
 		return NO_CLT_SENSOR_TEMPERATURE;
 	}
- 	float temperature = getTemperatureC(&engineConfiguration->clt, &engine->engineState.cltCurve);
+ 	float temperature = getTemperatureC(&engineConfiguration->clt, &engine->engineState.cltCurve,
+ 			engineConfiguration->useLinearCltSensor);
 	if (!isValidCoolantTemperature(temperature)) {
 		efiAssert(engineConfiguration!=NULL, "NULL engineConfiguration", NAN);
 		warning(OBD_Engine_Coolant_Temperature_Circuit_Malfunction, "unrealistic CLT %f", temperature);
@@ -189,7 +200,8 @@ float getIntakeAirTemperature(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
 	if (!hasIatSensor(PASS_ENGINE_PARAMETER_SIGNATURE)) {
 		return NO_IAT_SENSOR_TEMPERATURE;
 	}
-	float temperature = getTemperatureC(&engineConfiguration->iat, &engine->engineState.iatCurve);
+	float temperature = getTemperatureC(&engineConfiguration->iat, &engine->engineState.iatCurve,
+			engineConfiguration->useLinearIatSensor);
 	if (!isValidIntakeAirTemperature(temperature)) {
 		efiAssert(engineConfiguration!=NULL, "NULL engineConfiguration", NAN);
 #if EFI_PROD_CODE || EFI_UNIT_TEST || defined(__DOXYGEN__)
diff --git a/firmware/controllers/sensors/thermistors.h b/firmware/controllers/sensors/thermistors.h
index 9e049f2bee..1352699452 100644
--- a/firmware/controllers/sensors/thermistors.h
+++ b/firmware/controllers/sensors/thermistors.h
@@ -32,7 +32,7 @@ float convertFtoCelcius(float tempF);
 
 float getKelvinTemperature(float resistance, ThermistorMath *tm);
 float getResistance(ThermistorConf *config, float voltage);
-float getTemperatureC(ThermistorConf *config, ThermistorMath *tm);
+float getTemperatureC(ThermistorConf *config, ThermistorMath *tm, bool useLinear);
 float getCoolantTemperature(DECLARE_ENGINE_PARAMETER_SIGNATURE);
 bool isValidCoolantTemperature(float temperature);
 float getIntakeAirTemperature(DECLARE_ENGINE_PARAMETER_SIGNATURE);
diff --git a/firmware/controllers/settings.cpp b/firmware/controllers/settings.cpp
index 1d0934bb54..18be85d2fd 100644
--- a/firmware/controllers/settings.cpp
+++ b/firmware/controllers/settings.cpp
@@ -378,12 +378,12 @@ static void setOM(int value) {
 
 static char pinNameBuffer[16];
 
-static void printThermistor(const char *msg, ThermistorConf *config, ThermistorMath *tm) {
+static void printThermistor(const char *msg, ThermistorConf *config, ThermistorMath *tm, bool useLinear) {
 	adc_channel_e adcChannel = config->adcChannel;
 	float voltage = getVoltageDivided("term", adcChannel);
 	float r = getResistance(config, voltage);
 
-	float t = getTemperatureC(config, tm);
+	float t = getTemperatureC(config, tm, useLinear);
 
 	thermistor_conf_s *tc = &config->config;
 
@@ -417,11 +417,13 @@ static void printTPSInfo(void) {
 
 static void printTemperatureInfo(void) {
 #if EFI_ANALOG_SENSORS || defined(__DOXYGEN__)
-	printThermistor("CLT", &engineConfiguration->clt, &engine->engineState.cltCurve);
+	printThermistor("CLT", &engineConfiguration->clt, &engine->engineState.cltCurve,
+			engineConfiguration->useLinearCltSensor);
 	if (!isValidCoolantTemperature(getCoolantTemperature(PASS_ENGINE_PARAMETER_SIGNATURE))) {
 		scheduleMsg(&logger, "CLT sensing error");
 	}
-	printThermistor("IAT", &engineConfiguration->iat, &engine->engineState.iatCurve);
+	printThermistor("IAT", &engineConfiguration->iat, &engine->engineState.iatCurve,
+			engineConfiguration->useLinearIatSensor);
 	if (!isValidIntakeAirTemperature(getIntakeAirTemperature(PASS_ENGINE_PARAMETER_SIGNATURE))) {
 		scheduleMsg(&logger, "IAT sensing error");
 	}