help please

i just had my codes read on my99 cherokee anheres what they said p0138 02sensor circuit high volts (bank1 sensor2) next p0135 o2 sensor heater circuit malfunction (bank1 sensor1) and last but not least p0141 o2 sensor heater circuit malfunction (bank1 sensor2) i replaced the front sensoron the manifold that didnt help at all. can sombody tell me what to do to solve this problem its running like crap. reading codes reall dont help you much if you dont know what todo to fix it please help, my 89 year old grand mother just had stroke and im supposed to go see her in fredricksburg this weekend and thats 200 miles away or so dont think it will make it thanks in advance for any help you can give me john:flame:

is there a fuse to check also or not?

ttt

never mind