Update: we replaced the MAF. No change and were still pulling a lean code for bank 2 only. Based on freeze fram data, I'm not sensing fuel pressure is an issue. Recommended next steps?

Hello,

We're having some trouble tracking down what is triggering a lingering lean code in Bank 2 (P0174) of our XC90. Here's the history:

Awhile back, we were having FPS codes intermittently being tripped p0089 and p0193. This would mostly happen after sitting in stop and go commuter traffic. We ...