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Other than the Tahoe Limited Edition, the vehicle was redesigned for the 2000 model year on the new GMT800 platform, still shared with the full-sized pickups and SUV's.

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How many oxygen sensors are there on this truck

Where are the bank one oxygen sensors located

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Hey, @pernellgroom

The 2001-2006 GMC Yukon came off the assembly line with two Bosch O2 Sensors, installed below the exhaust manifold flanges and above the cat converter. Good Luck.

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@pernellgroom there are a total of 4 (four ) O2 sensors. Bank 1 is on the driver side and sensor 1 is the upstream O2 sensor, whereas sensor 2 is the downstream past the cat one.

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Pernell Groom will be eternally grateful.
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