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How do you change an oxygen sensor on the odd side of a 2002 Buick Park Avenue?
Davewyers
on the 3.8L engine the sensor is located on the exhaust pipe just below the manifold on the firewall side. move all the crap amd hoses out of the way best you can and use a sensor socket to remove, inplug from connector amd replace with new.
Wiki User
∙ 11y ago
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