crwdns2934241:0crwdne2934241:0 Russell Repair Co.

crwdns2934249:0crwdne2934249:0:

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.

crwdns2915684:0crwdne2915684:0:

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