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Rear o2 sensors needed?
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| 10-06-2013, 01:18 PM | #1 |
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Rear o2 sensors needed?
Do the rear o2 sensors post cat do anything more then check to see if there is cats?
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| 10-06-2013, 03:28 PM | #2 |
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Yes. They are used to check the functionality of the front o2 sensors. Definitely need them. Or at least something that does a good job of simulating their signals.
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| 10-07-2013, 02:25 AM | #3 | |
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