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02 Sensor Question.

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Old 03-04-14, 02:24 PM   #1
Aristo722
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Default 02 Sensor Question.

Now please correct me if I'm wrong, but the GS300 comes with 3 02 Sensors right? One fore Cyl. 1-3 and then another for Cyl. 4-6. Those are located in the Exhaust Manifold. Then there is a downstream, which is post catalytic converter right?

Now I'm looking at a downstream 02, Denso part number: #234-4626 and it says that its Downstream for Cyl 123. Then another 02, Denso part number: # 234-4603 and it says downstream Cyl 456.

So does this mean 2 Downstream 02s? Or what the heck?
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Old 03-04-14, 04:46 PM   #2
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there's 4
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Old 03-04-14, 05:22 PM   #3
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Awesome. Thats what I thought! I assumed there was 3. But, there is 4. Thanks for the diagram.
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Old 03-04-14, 08:53 PM   #4
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Yeah it has 4 because there are 2 separate cats.
Let me know if you need anymore help.
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Old 03-04-14, 08:53 PM
 
 
 
 
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