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irondiezl3 · 03-29-2009, 02:49 AM

want to change all my oxygen sensors time with my miles. anyone know exactly where they are i know of one in back of engine bay near plug wires easy for me to do is there 2 more or one more? and part or part numbers for them from gm parts direct thanks im having trouble finding these if its 3 total or 2 total?

03-29-2009, 02:49 AM	#1
irondiezl3 GLS member Join Date: Feb 2008 Location: NY Posts: 1,226	how many 02 sensors want to change all my oxygen sensors time with my miles. anyone know exactly where they are i know of one in back of engine bay near plug wires easy for me to do is there 2 more or one more? and part or part numbers for them from gm parts direct thanks im having trouble finding these if its 3 total or 2 total?