Power drop or something else? L/R balance

Question

hi all , I bought a used Garmin vector 3 dual. They are my first power meter so I am not sure what to expect. 
 I found the L/R is always 48/52% , although my dominant leg is the right leg. I found a lot of dots on the left side on the graph(attached) barely any on the right side, on the Garmin 530 when riding when I start spinning the left pedal always start a second or 2 before the right pedal (is this normal?) 
 Is this something faulty with the pedals or this is how they work ? Any fixes if this problem is common ?

nickdodo · Accepted Answer

Mine looks quite similar. The 100% left usually corresponds with zero (or very low wats) and usually very low or zero cadence. Often the zero cadence is just before the 100% left. I thought it was maybe an artifact of the left starting just before the right - or the pwr reading of the left being sent first. I was just guessing. I think I asked a similar question a few years ago. 
 I contacted Garmin support and sent them data files but never got a satisfactory answer. I also have approx 52/48 balance even though my right leg is dominant. This can vary and some times I get 50/50 or even 49/51 although not very often. I do note that if I have a balance displayed while riding I tend to get 50/50 when climbing hard - that is when pushing my power. When at low power the balance is often miles of of 50/50. 
 I always calibrate before a ride. 
 
 Nick

nickdodo · Answer

See this 
 forums.garmin.com/.../100-left-pedal-v3-compare-v2

Power drop or something else? L/R balance

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