I am traveling around the country in a new to me 2004 Toyota sienna FWD van that has 270000 miles. All the engine dash lights came on and an Auto Zone code reader gave P2241 oxygen sensor pumping current circuit low for A/F sensor bank 2 sensor 1. A completely different problem that occurred the day before is that it sounds and feels like the body is going to come detached from the chassis at the slightest braking or acceleration. Initially sounded like a loose guard rattling when idlin, but now sounds clunkier and feels clunky. Recently had timing & water pump replaced. Then flex pipe on exhaust replaced. I am currently in Nashville TN and will gladly drive to Scotty's if he'd like to utube his repair and commentary on the van. I know sienna owners are big DYIers and look to Scotty's videos for advice especially in this age of van campers. Alternatively, I'd gladly just pay Scotty to repair it or tell me all that's wrong with it, as someone who isn't trying to sell me parts/service as a shop does. Thank you.