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Question to all those who might know about O2 sensors. I'm getting my ECM changed and other small warranty stuff done to my 2002 Gl1800. All work has been done, but the dealer is waiting for a tool to test O2 sensors. It was supposed to be in, but the first tool was defective, then they were going to overnight the tool and it never made it. So I'm still waiting on the tool before they can test the O2 sensors.
Does anyone know about how they test these sensors or if they need a tool to test them? Has anyone had their O2 sensors replaced under warranty and how did they find out the original ones were bad?
Thanx for any info inadvance if you know.
Does anyone know about how they test these sensors or if they need a tool to test them? Has anyone had their O2 sensors replaced under warranty and how did they find out the original ones were bad?
Thanx for any info inadvance if you know.