How to know 02 sensor is good or bad?
02-16-02, 04:28 PM
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How to know 02 sensor is good or bad?
I think my Oxygen Sensor is going bad. Just that lately, on my Autometer A/F Ratio Gauge, its been on the lower end of the AMBER range (STOICH) and kinda touches RED/AMBER sometimes. It use to be in the GREEN/AMBER range before. But just wondering, how to test that 02 sensor thing to make sure it working properly?
02-16-02, 07:03 PM
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never hurts to replace it
theres not really a way to look at it and tell if its bad (unless its really bad)
you can measure its outputs but that probably wont really help either in
theres not really a way to look at it and tell if its bad (unless its really bad)
you can measure its outputs but that probably wont really help either in
02-16-02, 11:46 PM
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It sounds more like a ground problem, which is common.  What the O2 sensor really does when it starts to fail is that it start to react slower and slow - if you can notice that the AFR is reading a bit slower, you've got btter eyes than I do. 
I just wait to see if my gas mileage starts to deteriorate...
-Ted
I just wait to see if my gas mileage starts to deteriorate...-Ted
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