NEED HELP P0135 CODE

[brian.roberts.1293]

So I was in the mountains this weekend at about 4500 feet above my normal elevation. Cranked the truck check engine light pops up. Get it checked and is the p0135 and now p0134 code since I got home. None of the parts stores will clear the code. Say I have to buy a code scanner and do it myself now. So I am looking for good o2 sensors. And is there a difference between the front and rear o2? And is this the driver or passenger side. Now I need a cheap code reader that has the clearing ability. Any suggestions? Please help with all questions if able to.

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[Grebbler]

Best cheap setup IMO is a ELM knockoff (Bluetooth or Wifi) from Amazon (under $20) and Torque app for Android. I went with wifi to use with laptop as well. The live data on O2 sensors and fuel trim is well worth it.

 

[cmc76]

I got a cheap reader from harbor freight. I think it was on sale for $55.