diff --git a/libraries/AP_EFI/AP_EFI.cpp b/libraries/AP_EFI/AP_EFI.cpp
index b422870ae9..4736b79dfd 100644
--- a/libraries/AP_EFI/AP_EFI.cpp
+++ b/libraries/AP_EFI/AP_EFI.cpp
@@ -264,9 +264,9 @@ void AP_EFI::send_mavlink_status(mavlink_channel_t chan)
         state.cylinder_status.ignition_timing_deg,
         state.cylinder_status.injection_time_ms,
         state.cylinder_status.exhaust_gas_temperature,
-        0,  // throttle out
-        0,  // pressure/temperature compensation
-        0  // ignition voltage (spark supply voltage)
+        state.throttle_out,
+        state.pt_compensation,
+        state.ignition_voltage
         );
 }
 
diff --git a/libraries/AP_EFI/AP_EFI_State.h b/libraries/AP_EFI/AP_EFI_State.h
index 6c25add5e6..6b0abc93d2 100644
--- a/libraries/AP_EFI/AP_EFI_State.h
+++ b/libraries/AP_EFI/AP_EFI_State.h
@@ -198,4 +198,12 @@ struct EFI_State {
     // Status for each cylinder in the engine
     Cylinder_Status cylinder_status;
 
+    // ignition voltage in Volts
+    float ignition_voltage;
+
+    // throttle output percentage
+    float throttle_out;
+
+    // PT compensation
+    float pt_compensation;
 };