New Vector 3 Dual - left-pedal shows low power output?

HI,

Maybe you can help?  First ride with new Garmin Vector 3 Dual pedals today.  Everything looks fine to me, except that the left pedal is showing I put out much lower power in my left leg.  So, either my left leg is busted, or something is wrong with my Garmin left pedal.

Here's a picture of the power graphs from the ride, what do you think?