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Discussion Starter #1
I don´t use the rear stock O2-sensor, is this wrong? I put it out without a simulator for signals.

I have a single-turbo, Fuel,AEM etc.

Is it wrong or okay?
 

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The second o2 sensor only serves the purpose of telling you when your catalytic converter needs to be replaced. You shouldn't need an o2 sensor simulator if you're using the AEM, as is has no diagnostic function that would turn the check engine light on.
 

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i tricked mine without an aem by welding a flange to a piece of pipe about the size of a film canister and then welding that to the outside of the exhaust... brian
 
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