engine codes on 2004 Chrysler Pacifica

Are there typical engine codes that would flag based on the car mileage (87000)?

2 answers
Oxygen Sensors can start to go at that mileage, but many things can cause the light to come on, so it's important to get it checked out before any other damage is done.
I have a 2004 Chrysler Pacifica AWD. I'm getting code readings p0302- cylinder 2 misfire, p0202- injector circuit open cylinder 2, p2305- ignition coil B secondary circuit, p2317- ignition coil F secondary circuit, p0300- random multiple cylinder misfire detected, p0700- trans control sys malfunction, and p0562- system low voltage. I've replaced the coil pack in cylinder 2 and the injector and my car still won't start. What else do I need to do. Please help me.