diff --git a/firmware/console/status_loop.cpp b/firmware/console/status_loop.cpp
index 7e274a4a6c..f1fdc13463 100644
--- a/firmware/console/status_loop.cpp
+++ b/firmware/console/status_loop.cpp
@@ -554,6 +554,7 @@ void updateTunerStudioState(TunerStudioOutputChannels *tsOutputChannels DECLARE_
 	tsOutputChannels->rpmAcceleration = engine->rpmCalculator.getRpmAcceleration();
 	tsOutputChannels->maxDelta = engine->accelEnrichment.maxDelta;
 	tsOutputChannels->minDelta = engine->accelEnrichment.minDelta;
+	tsOutputChannels->currentAccelDelta = engine->accelEnrichment.getEnrichment(PASS_ENGINE_PARAMETER_F) * 100 / getMap();
 
 	tsOutputChannels->checkEngine = hasErrorCodes();
 #if EFI_PROD_CODE || defined(__DOXYGEN__)
diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index 228643e5e3..4dc6fb308b 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -480,8 +480,8 @@ custom pin_input_mode_e 4 scalar, F32,	@OFFSET@,	"ms", 1, 0, 0, 200, 1
 	
 	int accelLength;;"len",        1,     0,    0, 200,     3
 	
-	float deaccelEnrichmentThreshold;;"roc",        1,     0,    0, 200,     3
-	float deaccelEnrichmentMultiplier;;"coeff",        1,     0,    0, 200,     3
+	float decelEnrichmentThreshold;;"roc",        1,     0,    0, 200,     3
+	float decelEnrichmentMultiplier;;"coeff",        1,     0,    0, 200,     3
 	float accelEnrichmentThreshold;;"roc",        1,     0,    0, 200,     3
 	float accelEnrichmentMultiplier;;"coeff",        1,     0,    0, 200,     3
 
diff --git a/firmware/rusefi.cpp b/firmware/rusefi.cpp
index b1cf8c75fe..c473fcc79d 100644
--- a/firmware/rusefi.cpp
+++ b/firmware/rusefi.cpp
@@ -276,5 +276,5 @@ int getRusEfiVersion(void) {
 		return 1; // this is here to make the compiler happy about the unused array
 	if (UNUSED_CCM_SIZE[0] == 0)
 		return 1; // this is here to make the compiler happy about the unused array
-	return 20150326;
+	return 20150328;
 }
diff --git a/firmware/tunerstudio/rusefi.ini b/firmware/tunerstudio/rusefi.ini
index 693f371ce8..637e83b9d6 100644
--- a/firmware/tunerstudio/rusefi.ini
+++ b/firmware/tunerstudio/rusefi.ini
@@ -41,7 +41,7 @@ enable2ndByteCanID = false
 
 ; see PAGE_0_SIZE in C source code    
 ; CONFIG_DEFINITION_START
-; this section was generated by ConfigDefinition.jar on Fri Mar 27 21:40:54 EDT 2015
+; this section was generated by ConfigDefinition.jar on Sat Mar 28 17:28:29 EDT 2015
 
 page = 1
 	engineType					 = bits, S32, 0, [0:2], "AUDI_AAN", "DODGE_NEON_1995", "FORD_ASPIRE_1996", "FORD_FIESTA", "NISSAN_PRIMERA", "HONDA_ACCORD", "FORD_INLINE_6_1995", "GY6_139QMB"
@@ -470,8 +470,8 @@ page = 1
 ;skipping alternatorControlDFactor offset 5216
 ;skipping unused3 offset 5220
 	accelLength						= scalar, S32,	5780,	"len", 1, 0, 0, 200, 3
-	deaccelEnrichmentThreshold		= scalar, F32,	5784,	"roc", 1, 0, 0, 200, 3
-	deaccelEnrichmentMultiplier		= scalar, F32,	5788,	"coeff", 1, 0, 0, 200, 3
+	decelEnrichmentThreshold		= scalar, F32,	5784,	"roc", 1, 0, 0, 200, 3
+	decelEnrichmentMultiplier		= scalar, F32,	5788,	"coeff", 1, 0, 0, 200, 3
 	accelEnrichmentThreshold		= scalar, F32,	5792,	"roc", 1, 0, 0, 200, 3
 	accelEnrichmentMultiplier		= scalar, F32,	5796,	"coeff", 1, 0, 0, 200, 3
 	timingMultiplier			 = array, U08, 5800, [200],"char", 1, 0, 0.0, 3.0, 2
@@ -609,6 +609,7 @@ fileVersion = { 20150314 }
       veValue         = scalar,  F32,    112, "ratio",        1,         0
       maxDelta        = scalar,  F32,    116, "ratio",        1,         0
       minDelta        = scalar,  F32,    120, "ratio",        1,         0
+      currentAccelDelta = scalar,F32,    124, "%",            1,         0
       egoCorrection   = { 0 }
       time            = { timeNow }
 ;      engineLoad      = { algorithm == 0 ? MAF : TPS }
@@ -775,6 +776,7 @@ fileVersion = { 20150314 }
    veValueGauge      = veValue,                 "%",            "",        0,    120,      10,     10,     100,   100,   1,   1
    maxDeltaGauge     = maxDelta,                "%",            "",        0,    120,      10,     10,     100,   100,   1,   1
    minDeltaGauge     = minDelta,                "%",            "",        0,    120,      10,     10,     100,   100,   1,   1
+   currentAccelDeltaGauge = currentAccelDelta,  "%",            "",        0,    120,      10,     10,     100,   100,   1,   1
    
 [FrontPage]
    ; Gauges are numbered left to right, top to bottom.
diff --git a/firmware/util/cyclic_buffer.h b/firmware/util/cyclic_buffer.h
index edc673d1cf..2d13f09a8c 100644
--- a/firmware/util/cyclic_buffer.h
+++ b/firmware/util/cyclic_buffer.h
@@ -107,7 +107,7 @@ void cyclic_buffer<T>::add(T value) {
 template<typename T>
 void cyclic_buffer<T>::setSize(int size) {
 	clear();
-	this->size = size;
+	this->size = size < CB_MAX_SIZE ? size : CB_MAX_SIZE;
 }
 
 template<typename T>