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Thread: rear o2 sensor question

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Posts: 1-3 of 3
2010-03-12 19:37:49
rear o2 sensor question
Hey calum. I sent out my little brothers ecu to you and you did a calum basic program for turbo. We are in the process of upgrading his exhaust. Do you remove the second o2 reading from the ecu? Or is it necessary for him to use it? We were thinking of just slappin a test pipe in there or something. But if it is necessary I need to find a hi flow cat that accomodates for the o2 bung.
2010-03-15 02:03:33
The rear o2 could have been "deleted" if you specifically requested the rear o2 resistor mod. Otherwise, you need to keep the rear o2 going if you don't want any CEL.
2010-03-18 22:28:42
ya thats the thing.. i dont remember if i ask to remove rear o2 or not..
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