diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index a4f6b155aa..f062352d3f 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -782,7 +782,7 @@ float[MAP_ACCEL_TAPER] mapAccelTaperMult;;"mult",      1,     0,   0.0,    300,
 	int16_t fuelClosedLoopCltThreshold;;"C",        1,     0,  0,    100,  0
 	int16_t fuelClosedLoopTpsThreshold;;"%",        1,     0,  0,    100,  0
 	int16_t fuelClosedLoopRpmThreshold;;"rpm",        1,     0,  0,    5000,  0
-int16_t etbFreq;;"Hz",      1,     0,    0, 500,      10
+	int16_t etbFreq;;"Hz",      1,     0,    0, 1500,      0
 	pid_s fuelClosedLoopPid;
 	float fuelClosedLoopAfrHighThreshold;;"ratio",        1,     0,  0,    100,  1
 	pin_mode_e stepperEnablePinMode;
diff --git a/firmware/tunerstudio/rusefi.ini b/firmware/tunerstudio/rusefi.ini
index ddafc5f1ca..6a584b82b9 100644
--- a/firmware/tunerstudio/rusefi.ini
+++ b/firmware/tunerstudio/rusefi.ini
@@ -45,7 +45,7 @@ enable2ndByteCanID = false
 
 ; see PAGE_0_SIZE in C source code    
 ; CONFIG_DEFINITION_START
-; this section was generated automatically by ConfigDefinition.jar based on rusefi_config.txt Sun May 28 22:30:58 EDT 2017
+; this section was generated automatically by ConfigDefinition.jar based on rusefi_config.txt Mon May 29 21:58:00 EDT 2017
 
 pageSize            = 16376
 page = 1
@@ -643,7 +643,7 @@ page = 1
 	fuelClosedLoopCltThreshold		= scalar, S16,	2732,	"C", 1, 0, 0, 100, 0
 	fuelClosedLoopTpsThreshold		= scalar, S16,	2734,	"%", 1, 0, 0, 100, 0
 	fuelClosedLoopRpmThreshold		= scalar, S16,	2736,	"rpm", 1, 0, 0, 5000, 0
-	etbFreq							= scalar, S16,	2738,	"Hz", 1, 0, 0, 500, 10
+	etbFreq							= scalar, S16,	2738,	"Hz", 1, 0, 0, 1500, 0
 	fuelClosedLoopPid_pFactor		= scalar, F32,	2740,	"value", 1, 0, -1000, 1000, 5
 	fuelClosedLoopPid_iFactor		= scalar, F32,	2744,	"value", 1, 0, -1000, 1000, 5
 	fuelClosedLoopPid_dFactor		= scalar, F32,	2748,	"value", 1, 0, -1000, 1000, 5