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      05-14-2013, 12:53 PM   #1
dirtmaster666
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O2 sensor question

First off I'm o. The mobile app do in unable to search at this time. So my issue is when I'm driving my car my bank 1 will intermittently lean right out and fuel trim will be 0 while bank 2 is fine. So I want to know which o2 sensors I need to buy for bank 1. On ecs tuning it tells me they have for rear left and right but does the rear deal with bank 1 or bank 2 any help would be great

Thanks
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      05-14-2013, 12:56 PM   #2
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You are going to want the pre-cat O2's, as that is the one that measures lambda values.
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      05-14-2013, 07:30 PM   #3
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Ordered both front o2 sensors from ecs tuning so hopefully it solves my problem
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      05-14-2013, 08:54 PM   #4
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Quote:
Originally Posted by dirtmaster666 View Post
First off I'm o. The mobile app do in unable to search at this time. So my issue is when I'm driving my car my bank 1 will intermittently lean right out and fuel trim will be 0 while bank 2 is fine. So I want to know which o2 sensors I need to buy for bank 1. On ecs tuning it tells me they have for rear left and right but does the rear deal with bank 1 or bank 2 any help would be great

Thanks
Does this happen under WOT?
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      05-15-2013, 06:37 AM   #5
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It hasn't yet but I watch my Afr closely. But when it leans out and I try give it gas to see if it will come back it just hesitates and sputters and barely accelerates
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