diff --git a/firmware/controllers/engine_controller.cpp b/firmware/controllers/engine_controller.cpp
index 70aa9d278c..c2cebd6d63 100644
--- a/firmware/controllers/engine_controller.cpp
+++ b/firmware/controllers/engine_controller.cpp
@@ -525,6 +525,15 @@ bool validateConfigOnStartUpOrBurn() {
 		criticalError("Invalid cylinder count: %d", engineConfiguration->cylindersCount);
 		return false;
 	}
+#if EFI_PROD_CODE && (BOARD_MC33810_COUNT > 0)
+    int maxDwell = getMc33810maxDwellTimer(engineConfiguration->mc33810maxDwellTimer);
+    for (size_t i = 0;i<efi::size(config->sparkDwellValues);i++) {
+        float element = config->sparkDwellValues[i];
+        if (element > maxDwell) {
+            criticalError("Dwell %f while 33810 limit %d", element, maxDwell);
+        }
+    }
+#endif // EFI_PROD_CODE && (BOARD_MC33810_COUNT > 0)
 	if (engineConfiguration->adcVcc > 5.0f || engineConfiguration->adcVcc < 1.0f) {
     criticalError("Invalid adcVcc: %f", engineConfiguration->adcVcc);
 		return false;
diff --git a/firmware/hw_layer/drivers/gpio/mc33810.cpp b/firmware/hw_layer/drivers/gpio/mc33810.cpp
index cc8c6ba383..bcf6e38736 100644
--- a/firmware/hw_layer/drivers/gpio/mc33810.cpp
+++ b/firmware/hw_layer/drivers/gpio/mc33810.cpp
@@ -845,6 +845,25 @@ void mc33810_req_init() {
 	}
 }
 
+int getMc33810maxDwellTimer(mc33810maxDwellTimer_e value) {
+switch(value) {
+case DWELL_16MS:
+  return 16;
+case DWELL_2MS:
+  return 2;
+case DWELL_32MS:
+  return 32;
+case DWELL_4MS:
+  return 4;
+case DWELL_64MS:
+  return 64;
+case DWELL_8MS:
+  return 8;
+  }
+ return 0;
+}
+
+
 #else /* BOARD_MC33810_COUNT > 0 */
 
 int mc33810_add(brain_pin_e base, unsigned int index, const mc33810_config *cfg)
diff --git a/firmware/hw_layer/drivers/gpio/mc33810.h b/firmware/hw_layer/drivers/gpio/mc33810.h
index 56df0f0081..59a48308aa 100644
--- a/firmware/hw_layer/drivers/gpio/mc33810.h
+++ b/firmware/hw_layer/drivers/gpio/mc33810.h
@@ -52,3 +52,4 @@ int mc33810_add(brain_pin_e base, unsigned int index, const mc33810_config *cfg)
 
 /* debug */
 void mc33810_req_init();
+int getMc33810maxDwellTimer(mc33810maxDwellTimer_e value);