diff --git a/firmware/config/engines/vw_b6.cpp b/firmware/config/engines/vw_b6.cpp
index ccbb0cf874..7734783e1b 100644
--- a/firmware/config/engines/vw_b6.cpp
+++ b/firmware/config/engines/vw_b6.cpp
@@ -134,7 +134,7 @@ static void commonPassatB6() {
 }
 
 
-// MAF, grams per second
+// MAF signal frequency after hardware divider x16, Hz
 static const float hardCodedFreqBins[] = {139,
 		152,
 		180,
@@ -143,7 +143,7 @@ static const float hardCodedFreqBins[] = {139,
 		300,
 		365};
 
-// MAF signal frequency, KHz
+// MAF grams per second
 static const float hardCodedGperSValues[] {
 		3.58,
 		4.5,
diff --git a/firmware/config/engines/vw_b6.lua b/firmware/config/engines/vw_b6.lua
index e4ed464e6d..bb953d45f9 100644
--- a/firmware/config/engines/vw_b6.lua
+++ b/firmware/config/engines/vw_b6.lua
@@ -107,7 +107,7 @@ mafCalibrationIndex = findCurveIndex("mafcurve")
 
 function onTick()
 
-    freqValue = getSensor("AuxSpeed1") * 16 or 0
+    freqValue = getSensor("AuxSpeed1") or 0
 	mafValue = curve(mafCalibrationIndex, 5)
 --	print(freqValue .. " mafValue=" .. mafValue)
 	mafSensor : set(mafValue)