diff --git a/java_console/models/src/com/rusefi/autotune/FuelAutoTune.java b/java_console/models/src/com/rusefi/autotune/FuelAutoTune.java
index ef93f47f8e..10082620d7 100644
--- a/java_console/models/src/com/rusefi/autotune/FuelAutoTune.java
+++ b/java_console/models/src/com/rusefi/autotune/FuelAutoTune.java
@@ -156,10 +156,10 @@ public enum FuelAutoTune implements FuelAutoLogic {
 //            if (isLogEnabled())
 //                log("r=" + r + "/c=" + c + ": tmp=" + tmp);
 
-            kgbcSQ[dataPoint.PRESS_RT_32()][dataPoint.RPM_RT_32()] += tmp * tmp;
+//            kgbcSQ[dataPoint.PRESS_RT_32()][dataPoint.RPM_RT_32()] += tmp * tmp; todo: what is this deviation called?
+            kgbcSQ[dataPoint.PRESS_RT_32()][dataPoint.RPM_RT_32()] += Math.abs(tmp); // todo: what is this deviation called?
         }
     }
-
     private static double smooth(double kgbcSQsum, double ksq, double ke, double kg, float[][] kgbcRES) {
         double e;
         double g;
diff --git a/java_console/models/src/com/rusefi/autotune/test/FuelAutoTune2Test.java b/java_console/models/src/com/rusefi/autotune/test/FuelAutoTune2Test.java
index d112c3425d..57f7f71e37 100644
--- a/java_console/models/src/com/rusefi/autotune/test/FuelAutoTune2Test.java
+++ b/java_console/models/src/com/rusefi/autotune/test/FuelAutoTune2Test.java
@@ -21,8 +21,9 @@ public class FuelAutoTune2Test {
         dataPoints.add(stDataOnline.valueOf(13, 1200, 80));
 
         {
+            System.out.println("Running with one datapoint");
             Result r = FuelAutoTune2.INSTANCE.process(false, dataPoints, 0.1, 13, createVeTable());
-            printNotDefault(r.getKgbcRES(), 1);
+            FuelAutoTuneTest.printNotDefault(r.getKgbcRES(), 1);
         }
 
         dataPoints.add(stDataOnline.valueOf(13, 1200, 80));
@@ -34,16 +35,18 @@ public class FuelAutoTune2Test {
             dataPoints.add(stDataOnline.valueOf(16, 1500 + i, 90));
 
         {
+            System.out.println("Running with more datapoints");
             Result r = FuelAutoTune2.INSTANCE.process(false, dataPoints, 0.01, 13, createVeTable());
-            printNotDefault(r.getKgbcRES(), 1);
+            FuelAutoTuneTest.printNotDefault(r.getKgbcRES(), 1);
         }
 
         for (int i = 0; i < 2000; i++)
             dataPoints.add(stDataOnline.valueOf(15, 1500 + i, 90));
 
         {
+            System.out.println("Running with more datapoints");
             Result r = FuelAutoTune2.INSTANCE.process(false, dataPoints, 0.01, 13, createVeTable());
-            printNotDefault(r.getKgbcRES(), 1);
+            FuelAutoTuneTest.printNotDefault(r.getKgbcRES(), 1);
         }
 
 
@@ -51,22 +54,6 @@ public class FuelAutoTune2Test {
 
     }
 
-    /**
-     * this method prints all values which do not equal default value
-     */
-    private static void printNotDefault(float[][] array, double defaultValue) {
-        for (int i = 0; i < array.length; i++) {
-            printNotDefault(array[i], i, defaultValue);
-        }
-    }
-
-    private static void printNotDefault(float[] array, int index, double defaultValue) {
-        for (int i = 0; i < array.length; i++) {
-            if (array[i] != defaultValue)
-                System.out.println("Found value: " + index + " " + i + ": " + array[i]);
-        }
-    }
-
     private static float[][] createVeTable() {
         float kgbcINIT[][] = new float[Fields.FUEL_LOAD_COUNT][Fields.FUEL_RPM_COUNT];
         for (int engineLoadIndex = 0; engineLoadIndex < Fields.FUEL_LOAD_COUNT; engineLoadIndex++) {
diff --git a/java_console/models/src/com/rusefi/autotune/test/FuelAutoTuneTest.java b/java_console/models/src/com/rusefi/autotune/test/FuelAutoTuneTest.java
index 4a06b9f2fc..fe7321f4e5 100644
--- a/java_console/models/src/com/rusefi/autotune/test/FuelAutoTuneTest.java
+++ b/java_console/models/src/com/rusefi/autotune/test/FuelAutoTuneTest.java
@@ -54,7 +54,7 @@ public class FuelAutoTuneTest {
     /**
      * this method prints all values which do not equal default value
      */
-    private static void printNotDefault(float[][] array, double defaultValue) {
+    static void printNotDefault(float[][] array, double defaultValue) {
         for (int i = 0; i < array.length; i++) {
             printNotDefault(array[i], i, defaultValue);
         }
@@ -63,7 +63,7 @@ public class FuelAutoTuneTest {
     private static void printNotDefault(float[] array, int index, double defaultValue) {
         for (int i = 0; i < array.length; i++) {
             if (array[i] != defaultValue)
-                System.out.println("Found value: " + index + " " + i + ": " + array[i]);
+                System.out.println("Found value: x=" + index + " y=" + i + ": " + array[i]);
         }
     }