diff --git a/firmware/controllers/actuators/idle_thread.cpp b/firmware/controllers/actuators/idle_thread.cpp
index 30ec945f24..ecdf549421 100644
--- a/firmware/controllers/actuators/idle_thread.cpp
+++ b/firmware/controllers/actuators/idle_thread.cpp
@@ -294,7 +294,7 @@ static percent_t automaticIdleController(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
 	if (CONFIG(idlePidRpmUpperLimit) > 0) {
 		engine->engineState.idle.idleState = PID_UPPER;
 		if (CONFIGB(useIacTableForCoasting) && !cisnan(engine->sensors.clt)) {
-			percent_t iacPosForCoasting = interpolate2d("iacCoasting", engine->sensors.clt, CONFIG(iacCoastingBins), CONFIG(iacCoasting));
+			percent_t iacPosForCoasting = interpolate2d("iacCoasting", getCoolantTemperature(), CONFIG(iacCoastingBins), CONFIG(iacCoasting));
 			newValue = interpolateClamped(idlePidLowerRpm, newValue, idlePidLowerRpm + CONFIG(idlePidRpmUpperLimit), iacPosForCoasting, rpm);
 		} else {
 			// Well, just leave it as is, without PID regulation...
diff --git a/firmware/controllers/algo/engine2.cpp b/firmware/controllers/algo/engine2.cpp
index fb1b4844c8..480fd5b9f7 100644
--- a/firmware/controllers/algo/engine2.cpp
+++ b/firmware/controllers/algo/engine2.cpp
@@ -116,8 +116,8 @@ void EngineState::updateSlowSensors(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
 	engine->engineState.isCrankingState = ENGINE(rpmCalculator).isCranking(PASS_ENGINE_PARAMETER_SIGNATURE);
 
 
-	engine->sensors.iat = getIntakeAirTemperature();
-	engine->sensors.clt = getCoolantTemperature();
+	engine->sensors.iat = getIntakeAirTemperatureM(PASS_ENGINE_PARAMETER_SIGNATURE);
+	engine->sensors.clt = getCoolantTemperatureM(PASS_ENGINE_PARAMETER_SIGNATURE);
 
 	// todo: reduce code duplication with 'getCoolantTemperature'
 	if (engineConfiguration->auxTempSensor1.adcChannel != EFI_ADC_NONE) {
diff --git a/firmware/controllers/algo/fuel_math.cpp b/firmware/controllers/algo/fuel_math.cpp
index 5ade79f25f..d6b2633120 100644
--- a/firmware/controllers/algo/fuel_math.cpp
+++ b/firmware/controllers/algo/fuel_math.cpp
@@ -305,13 +305,13 @@ void initFuelMap(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
 float getCltFuelCorrection(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
 	if (cisnan(engine->sensors.clt))
 		return 1; // this error should be already reported somewhere else, let's just handle it
-	return interpolate2d("cltf", engine->sensors.clt, config->cltFuelCorrBins, config->cltFuelCorr);
+	return interpolate2d("cltf", getCoolantTemperature(), config->cltFuelCorrBins, config->cltFuelCorr);
 }
 
 angle_t getCltTimingCorrection(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
 	if (cisnan(engine->sensors.clt))
 		return 0; // this error should be already reported somewhere else, let's just handle it
-	return interpolate2d("timc", engine->sensors.clt, engineConfiguration->cltTimingBins, engineConfiguration->cltTimingExtra);
+	return interpolate2d("timc", getCoolantTemperature(), engineConfiguration->cltTimingBins, engineConfiguration->cltTimingExtra);
 }
 
 float getIatFuelCorrection(float iat DECLARE_ENGINE_PARAMETER_SUFFIX) {
diff --git a/firmware/controllers/sensors/thermistors.h b/firmware/controllers/sensors/thermistors.h
index b72e168794..111546db93 100644
--- a/firmware/controllers/sensors/thermistors.h
+++ b/firmware/controllers/sensors/thermistors.h
@@ -36,7 +36,11 @@ temperature_t getCoolantTemperatureM(DECLARE_ENGINE_PARAMETER_SIGNATURE);
 bool isValidCoolantTemperature(temperature_t temperature);
 temperature_t getIntakeAirTemperatureM(DECLARE_ENGINE_PARAMETER_SIGNATURE);
 
-#define getCoolantTemperature() getCoolantTemperatureM(PASS_ENGINE_PARAMETER_SIGNATURE)
+/**
+ * This macro points to readily-available pre-calculated value
+ * for actual slow calculation see 'getCoolantTemperatureM'
+ */
+#define getCoolantTemperature() engine->sensors.clt
 #define getIntakeAirTemperature() getIntakeAirTemperatureM(PASS_ENGINE_PARAMETER_SIGNATURE)
 
 bool isValidIntakeAirTemperature(temperature_t temperature);