diff --git a/firmware/controllers/trigger/trigger_central.cpp b/firmware/controllers/trigger/trigger_central.cpp
index 19daee0f1b..b8dac888f3 100644
--- a/firmware/controllers/trigger/trigger_central.cpp
+++ b/firmware/controllers/trigger/trigger_central.cpp
@@ -289,10 +289,11 @@ void triggerInfo(void) {
 
 	TriggerShape *ts = &engine->triggerShape;
 
-	scheduleMsg(logger, "Template %s (%d) trigger %s (%d) useRiseEdge=%s onlyFront=%s",
+	scheduleMsg(logger, "Template %s (%d) trigger %s (%d) useRiseEdge=%s onlyFront=%s gapBothDirections=%s",
 			getConfigurationName(engineConfiguration->engineType), engineConfiguration->engineType,
 			getTrigger_type_e(engineConfiguration->trigger.type), engineConfiguration->trigger.type,
-			boolToString(TRIGGER_SHAPE(useRiseEdge)), boolToString(engineConfiguration->useOnlyFrontForTrigger));
+			boolToString(TRIGGER_SHAPE(useRiseEdge)), boolToString(engineConfiguration->useOnlyFrontForTrigger),
+			boolToString(TRIGGER_SHAPE(gapBothDirections)));
 
 	if (engineConfiguration->trigger.type == TT_TOOTHED_WHEEL) {
 		scheduleMsg(logger, "total %d/skipped %d", engineConfiguration->trigger.customTotalToothCount,
diff --git a/firmware/controllers/trigger/trigger_chrysler.cpp b/firmware/controllers/trigger/trigger_chrysler.cpp
index 5ffb391cca..6203ead55a 100644
--- a/firmware/controllers/trigger/trigger_chrysler.cpp
+++ b/firmware/controllers/trigger/trigger_chrysler.cpp
@@ -35,8 +35,8 @@ void configureNeon2003TriggerShape(TriggerShape *s) {
 	s->tdcPosition = 496;
 
 	// are these non-default values really needed here now that the gap is finally precise?
-	s->setTriggerSynchronizationGap(1);
-	s->setSecondTriggerSynchronizationGap(1);
+	s->setTriggerSynchronizationGap2(0.75, 1.40);
+	s->setSecondTriggerSynchronizationGap2(0.7, 1.25);
 
 	float EPS_ANGLE = 0.3;
 
diff --git a/firmware/controllers/trigger/trigger_decoder.cpp b/firmware/controllers/trigger/trigger_decoder.cpp
index 1712194388..937d66e154 100644
--- a/firmware/controllers/trigger/trigger_decoder.cpp
+++ b/firmware/controllers/trigger/trigger_decoder.cpp
@@ -59,6 +59,8 @@ float actualSynchGap;
 static Logging * logger;
 
 efitick_t lastDecodingErrorTime = US2NT(-10000000LL);
+// the boolean flag is a performance optimization so that complex comparison is avoided if no error
+bool_t someSortOfTriggerError = false;
 
 /**
  * @return TRUE is something is wrong with trigger decoding
@@ -201,16 +203,16 @@ void TriggerState::decodeTriggerEvent(trigger_event_e const signal, efitime_t no
 			;
 
 #if EFI_PROD_CODE || defined(__DOXYGEN__)
-			if (engineConfiguration->isPrintTriggerSynchDetails) {
+			if (engineConfiguration->isPrintTriggerSynchDetails || someSortOfTriggerError) {
 #else
 				if (printTriggerDebug) {
 #endif /* EFI_PROD_CODE */
 				float gap = 1.0 * currentDuration / toothed_previous_duration;
+				float prevGap = 1.0 * toothed_previous_duration / durationBeforePrevious;
 #if EFI_PROD_CODE || defined(__DOXYGEN__)
-				scheduleMsg(logger, "gap=%f @ %d", gap, currentCycle.current_index);
+				scheduleMsg(logger, "gap=%f/%f @ %d while expected %f/%f and %f/%f", gap, prevGap, currentCycle.current_index, TRIGGER_SHAPE(syncRatioFrom), TRIGGER_SHAPE(syncRatioTo), TRIGGER_SHAPE(secondSyncRatioFrom), TRIGGER_SHAPE(secondSyncRatioTo));
 #else
 				actualSynchGap = gap;
-				float prevGap = 1.0 * toothed_previous_duration / durationBeforePrevious;
 				print("current gap %f/%f c=%d prev=%d\r\n", gap, prevGap, currentDuration, toothed_previous_duration);
 #endif /* EFI_PROD_CODE */
 			}
@@ -245,8 +247,10 @@ void TriggerState::decodeTriggerEvent(trigger_event_e const signal, efitime_t no
 			triggerDecoderErrorPin.setValue(isDecodingError);
 			if (isDecodingError) {
 				lastDecodingErrorTime = getTimeNowNt();
+				someSortOfTriggerError = true;
+
 				totalTriggerErrorCounter++;
-				if (engineConfiguration->isPrintTriggerSynchDetails) {
+				if (engineConfiguration->isPrintTriggerSynchDetails || someSortOfTriggerError) {
 #if EFI_PROD_CODE || defined(__DOXYGEN__)
 					scheduleMsg(logger, "error: synchronizationPoint @ index %d expected %d/%d/%d got %d/%d/%d",
 							currentCycle.current_index, TRIGGER_SHAPE(expectedEventCount[0]),
@@ -282,6 +286,13 @@ void TriggerState::decodeTriggerEvent(trigger_event_e const signal, efitime_t no
 	}
 	if (!isValidIndex(PASS_ENGINE_PARAMETER_F)) {
 		warning(OBD_PCM_Processor_Fault, "unexpected eventIndex=%d while size %d", currentCycle.current_index, TRIGGER_SHAPE(size));
+		lastDecodingErrorTime = getTimeNowNt();
+		someSortOfTriggerError = true;
+	}
+	if (someSortOfTriggerError) {
+		if (getTimeNowNt() - lastDecodingErrorTime > US2NT(US_PER_SECOND_LL)) {
+			someSortOfTriggerError = false;
+		}
 	}
 
 	if (boardConfiguration->sensorChartMode == SC_RPM_ACCEL || boardConfiguration->sensorChartMode == SC_DETAILED_RPM) {
diff --git a/firmware/hw_layer/trigger_input.cpp b/firmware/hw_layer/trigger_input.cpp
index ad15a4eecf..518786c1de 100644
--- a/firmware/hw_layer/trigger_input.cpp
+++ b/firmware/hw_layer/trigger_input.cpp
@@ -40,8 +40,6 @@ static void shaft_icu_width_callback(ICUDriver *icup) {
 	// todo: add support for 3rd channel
 	trigger_event_e signal = isPrimary ? SHAFT_PRIMARY_UP : SHAFT_SECONDARY_UP;
 
-	if (isLessImportant(signal) && CONFIG(useOnlyFrontForTrigger))
-		return;
 	hwHandleShaftSignal(signal);
 }
 
@@ -55,7 +53,7 @@ static void shaft_icu_period_callback(ICUDriver *icup) {
 	//	icucnt_t last_period = icuGetPeriod(icup); so far we are fine with system time
 	trigger_event_e signal =
 			isPrimary ? SHAFT_PRIMARY_DOWN : SHAFT_SECONDARY_DOWN;
-	if (isLessImportant(signal) && CONFIG(useOnlyFrontForTrigger))
+	if (CONFIG(useOnlyFrontForTrigger))
 		return;
 	hwHandleShaftSignal(signal);
 }
diff --git a/firmware/rusefi.cpp b/firmware/rusefi.cpp
index 4586b268e4..7cccc4432f 100644
--- a/firmware/rusefi.cpp
+++ b/firmware/rusefi.cpp
@@ -275,5 +275,5 @@ int getRusEfiVersion(void) {
 		return 123; // this is here to make the compiler happy about the unused array
 	if (UNUSED_CCM_SIZE[0] * 0 != 0)
 		return 3211; // this is here to make the compiler happy about the unused array
-	return 20150923;
+	return 20150924;
 }