What did you do to your NBS GMT800 Tahoe/Yukon Today?

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ratled

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Changed out my O2 sensors. Thanks to Doubleive for responding to My Post on a real rough start up. I can't believe (no pun intended) I forgot all about those, I didn't even have it on my new to me/100k service. Bank 1 upstream was a real PITA but the rest were a breeze

ratled

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Tonyrodz

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Changed out my O2 sensors. Thanks to Doubleive for responding to My Post on a real rough start up. I can't believe (no pun intended) I forgot all about those, I didn't even have it on my new to me/100k service. Bank 1 upstream was a real PITA but the rest were a breeze

ratled

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Lucky. You must not live in a rusty state.
 

Rocket Man

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Changed out my O2 sensors. Thanks to Doubleive for responding to My Post on a real rough start up. I can't believe (no pun intended) I forgot all about those, I didn't even have it on my new to me/100k service. Bank 1 upstream was a real PITA but the rest were a breeze

ratled

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Did it help with the rough start up?
 

Walchit

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The thumbnail micrometer can still feel this scratch. I've only used 2000-2500 grit, idk if I want to bust out the 1500 or not, lol
 

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