diff --git a/java_console/models/src/com/rusefi/autotune/AfrDataPoint.java b/java_console/models/src/com/rusefi/autotune/AfrDataPoint.java
index 07c4079296..9e9ba8d7fa 100644
--- a/java_console/models/src/com/rusefi/autotune/AfrDataPoint.java
+++ b/java_console/models/src/com/rusefi/autotune/AfrDataPoint.java
@@ -9,20 +9,21 @@ import com.rusefi.config.Fields;
  * 2/23/2016.
  */
 public class AfrDataPoint {
-    public final double AFR;
+    private final double afr;
     private final int rpm;
     private final double engineLoad;
-    int rpmIndex;
-    int engineLoadIndex;
 
-    public AfrDataPoint(double AFR, int rpmIndex, int engineLoadIndex, int rpm, double engineLoad) {
+    private final int rpmIndex;
+    private final int engineLoadIndex;
+
+    public AfrDataPoint(double afr, int rpmIndex, int engineLoadIndex, int rpm, double engineLoad) {
         this.rpm = rpm;
         this.engineLoad = engineLoad;
         if (rpmIndex < 0 || rpmIndex >= Fields.FUEL_RPM_COUNT)
             throw new IllegalStateException("rpmIndex " + rpmIndex);
         if (engineLoadIndex < 0 || engineLoadIndex >= Fields.FUEL_LOAD_COUNT)
             throw new IllegalStateException("engineLoadIndex " + engineLoadIndex);
-        this.AFR = AFR;
+        this.afr = afr;
         this.rpmIndex = rpmIndex;
         this.engineLoadIndex = engineLoadIndex;
     }
@@ -51,6 +52,10 @@ public class AfrDataPoint {
         return getRpmIndex();
     }
 
+    public double getAfr() {
+        return afr;
+    }
+
     public int getRpm() {
         return rpm;
     }
diff --git a/java_console/models/src/com/rusefi/autotune/FuelAutoTune.java b/java_console/models/src/com/rusefi/autotune/FuelAutoTune.java
index fe19d3cf01..bb2c9dab31 100644
--- a/java_console/models/src/com/rusefi/autotune/FuelAutoTune.java
+++ b/java_console/models/src/com/rusefi/autotune/FuelAutoTune.java
@@ -150,7 +150,7 @@ public enum FuelAutoTune implements FuelAutoLogic {
             double tpsCorrRes = 1; //ktgbcRES[dataPoint.THR_RT_16][dataPoint.RPM_RT_32()];
 
             double ALF = targetAFR / 14.7;
-            double tmp = (dataPoint.AFR / 14.7 - ALF * (kgbcRES[dataPoint.PRESS_RT_32()][dataPoint.RPM_RT_32()] * tpsCorrRes * corrRes) /
+            double tmp = (dataPoint.getAfr() / 14.7 - ALF * (kgbcRES[dataPoint.PRESS_RT_32()][dataPoint.RPM_RT_32()] * tpsCorrRes * corrRes) /
                     (kgbcINIT[dataPoint.PRESS_RT_32()][dataPoint.RPM_RT_32()] * tpsCorrInit * corrInit));
 
 //            if (isLogEnabled())
diff --git a/java_console/models/src/com/rusefi/autotune/FuelAutoTune2.java b/java_console/models/src/com/rusefi/autotune/FuelAutoTune2.java
index 8cc92f3ab2..8b934dc5c8 100644
--- a/java_console/models/src/com/rusefi/autotune/FuelAutoTune2.java
+++ b/java_console/models/src/com/rusefi/autotune/FuelAutoTune2.java
@@ -31,7 +31,7 @@ public enum FuelAutoTune2 implements FuelAutoLogic {
             return null;
         // end
         AfrDataPoint s = dataECU.iterator().next();
-        double delta = (s.AFR - targetAFR) / targetAFR; // privedennoe otklonenie po toplivu
+        double delta = (s.getAfr() - targetAFR) / targetAFR; // privedennoe otklonenie po toplivu
 
 
         for (int r = 0; r < SIZE; r++) {          //rpmIndex
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 cb0ac29fbd..3907daa44b 100644
--- a/java_console/models/src/com/rusefi/autotune/test/FuelAutoTune2Test.java
+++ b/java_console/models/src/com/rusefi/autotune/test/FuelAutoTune2Test.java
@@ -22,7 +22,7 @@ public class FuelAutoTune2Test {
         dataPoints.add(AfrDataPoint.valueOf(13, 1200, 80));
 
         {
-            System.out.println("Running with one datapoint already at target AFR");
+            System.out.println("Running with one datapoint already at target afr");
             Result r = FuelAutoTune2.INSTANCE.process(false, dataPoints, 0.1, 13, createVeTable(1));
             FuelAutoTuneTest.printNotDefault(r.getKgbcRES(), 1);
         }
diff --git a/java_console/ui/src/com/rusefi/ui/FuelTunePane.java b/java_console/ui/src/com/rusefi/ui/FuelTunePane.java
index 3198d6fc7d..49e410c6cd 100644
--- a/java_console/ui/src/com/rusefi/ui/FuelTunePane.java
+++ b/java_console/ui/src/com/rusefi/ui/FuelTunePane.java
@@ -218,9 +218,9 @@ public class FuelTunePane {
             return;
         try {
             dos.writeBytes("Running with " + data.size() + " points\r\n");
-            dos.writeBytes("AFR\tRPM\tload\r\n");
+            dos.writeBytes("afr\tRPM\tload\r\n");
             for (AfrDataPoint point : data)
-                dos.writeBytes(point.AFR  +"\t" + point.getRpm() + "\t" + point.getEngineLoad() + "\r\n");
+                dos.writeBytes(point.getAfr() +"\t" + point.getRpm() + "\t" + point.getEngineLoad() + "\r\n");
 
         } catch (IOException e) {
             FileLog.MAIN.logLine("Error writing auto-tune log");