2002 Mazda MPV MiniVan, 132,169 miles, one Window button need fix

2002 Mazda MPV LX
132,169 miles
V6 , engine and transmission works great! AC works great!
Interior in great condition! You won't believe this is a 2002 car!

New battery and 2 new tires changed within last 5 months.
Registration paid till October 2020.
Passed Smog test.

There are some (electrical?) issues with the car:

1. Power window on driver side no longer work (but works on other sides).
2. Engine light goes on while driving (mechanics said it's OBD O2 Sensor, need replacement, but this does not affect driving at all, cost ~$200 to fix if so wish)

Steep price reduction partially due to these two issues. If you don't mind get it fixed, this is a steal!

Price: $1200.00 OBO

Serious inquiry only!