Can I have someone fix this for me or do I need to go to the dealer...

P0138/ Heated Oxygen sensor circuit high voltage bank 1 sensor 2

P0121/ TPS or APP sensor 1 problem

P0506/ Idle speed low
P0507/ Idle speed high

P1372/ Crankshaft position sensor a-b correlation
[>:]

Need more information eng size, year.
start by checking for major vac*** leaks and mechical failers frist.
and then move on to the eletrical stuff[sm=drlove.gif]