What did you do to your OBS GMT400 Tahoe/Yukon Today?

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AZ Tahoe

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Installed a new fuel pump over the weekend. No helpers, no garage, 112 out, and no beer. Wasnt a happy camper. No more falling on its face or long turn overs to start. See you again in another 220k
 

Gunnar1971

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Installed 2 new o2 sensors on the P/S, cleared the codes and they haven't come back in the 80 miles I drove her today.

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SunlitComet

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with those sensors they likely will come back again sometime. from now on use delphi or delco units. bosch units just don't work like the pcm would like them to sometimes.
 

Gzes

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Should be getting parts In today:) expensive last week but it's gonna be worth it
 

Gunnar1971

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with those sensors they likely will come back again sometime. from now on use delphi or delco units. bosch units just don't work like the pcm would like them to sometimes.

Crap, guess that is what I get for buying from Autozone.:(
 

Gzes

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Gonna install my new intake tomorrow. For some damn reason it didn't come with intake gaskets so got some from AutoZone and used my rewards loot:)
 

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