diff --git a/firmware/console/status_loop.cpp b/firmware/console/status_loop.cpp
index 547d790dc0..f27c062b9e 100644
--- a/firmware/console/status_loop.cpp
+++ b/firmware/console/status_loop.cpp
@@ -192,7 +192,8 @@ static void printSensors(Logging *log, bool fileFormat) {
 		float vehicleSpeed = 0;
 #endif /* EFI_PROD_CODE */
 		reportSensorF(log, fileFormat, "vss", "kph", vehicleSpeed, 2);
-		reportSensorF(log, fileFormat, "sp2rpm", "x", vehicleSpeed / rpm, 2);
+		float sp2rpm = rpm == 0 ? 0 : vehicleSpeed / rpm;
+		reportSensorF(log, fileFormat, "sp2rpm", "x", sp2rpm, 2);
 	}
 
 	reportSensorI(log, fileFormat, "warn", "count", engine->engineState.warningCounter);
diff --git a/firmware/controllers/algo/engine.cpp b/firmware/controllers/algo/engine.cpp
index 3ae72a2890..7f9647d63c 100644
--- a/firmware/controllers/algo/engine.cpp
+++ b/firmware/controllers/algo/engine.cpp
@@ -97,6 +97,7 @@ Engine::Engine(persistent_config_s *config) {
 	engineState.warmupAfrPid.init(&config->engineConfiguration.warmupAfrPid,  0.5, 1.5);
 	isEngineChartEnabled = false;
 	sensorChartMode = SC_OFF;
+	actualLastInjection = 0;
 	/**
 	 * it's important for fixAngle() that engineCycle field never has zero
 	 */
diff --git a/firmware/controllers/algo/event_registry.cpp b/firmware/controllers/algo/event_registry.cpp
index b3fd43b46d..78703c8224 100644
--- a/firmware/controllers/algo/event_registry.cpp
+++ b/firmware/controllers/algo/event_registry.cpp
@@ -27,6 +27,7 @@
 InjectionEvent::InjectionEvent() {
 	isSimultanious = false;
 	isOverlapping = false;
+	injectorIndex = 0;
 }
 
 event_trigger_position_s::event_trigger_position_s() {
diff --git a/firmware/controllers/core/fsio_core.cpp b/firmware/controllers/core/fsio_core.cpp
index c6b29953bd..875cf5e5bc 100644
--- a/firmware/controllers/core/fsio_core.cpp
+++ b/firmware/controllers/core/fsio_core.cpp
@@ -97,6 +97,7 @@ void LECalculator::reset() {
 	first = NULL;
 	stack.reset();
 	currentCalculationLogPosition = 0;
+	memset(calcLogAction, 0, sizeof(calcLogAction));
 }
 
 void LECalculator::reset(LEElement *element) {