Mazda MYSTERY No One Could Solve...Part 2 (P219B- Air Fuel IMBALANCE)

Now that we have collected some very interesting scan data during the test drive, let s dive under the hood and do some checks to rule out possible causes for this P219B - Bank 2 Air Fuel Ratio Imbalance DTC. The findings are surprising, but make perfect sense! THINKTOOL PROS: https://www.amazon.com/dp/B08XXWHQVJ?tag=onamzpineholl-20&linkCode=ssc&creativeASIN=B08XXWHQVJ&asc_item-id=amzn1.ideas.NHZL00NIDEPF SUR&R FUEL PRESSURE TEST KIT: https://www.amazon.com/dp/B004IJOLPE?tag=onamzpineholl-20&linkCode=ssc&creativeASIN=B004IJOLPE&asc_item-id=amzn1.ideas.2RG42J5VNKKTV OTC FUEL INJECTOR PULSER: https://www.amazon.com/dp/B0002SR5OO?tag=onamzpineholl-20&linkCode=ssc&creativeASIN=B0002SR5OO&asc_item-id=amzn1.ideas.UKPVIGM4POWZ Enjoy! Ivan