need a 02 simulator so i can install my wideband - Performance Forum

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need a 02 simulator so i can install my wideband
Tuesday, April 03, 2007 11:13 AM
well i been reading posts about how the casper o2 sim works and that it doesn't and that the cel will come on and then it wont. Whats some real information on getting myself a good o2 sim because i have a gutted cat right now with the rear 02 still hooked up and my car is running rich and throws random misfire codes sometimes obviously. I wanna take out my rear o2 and replace it with my aem wide band sensor and then wire up a o2 sim to the rear o2 wiring so the pcm thinks everything is peachy keen. Thanks.





Re: need a 02 simulator so i can install my wideband
Tuesday, April 03, 2007 11:20 AM
umm dont you run the wideband close to the first sensor to get true readings?? id look into that...as for the rear do the $5 o2 sensor fix..search for it on here they dont wear out like electric ones..phil
Re: need a 02 simulator so i can install my wideband
Wednesday, April 04, 2007 8:03 AM
BOOSTED wrote:well i been reading posts about how the casper o2 sim works and that it doesn't and that the cel will come on and then it wont. Whats some real information on getting myself a good o2 sim because i have a gutted cat right now with the rear 02 still hooked up and my car is running rich and throws random misfire codes sometimes obviously. I wanna take out my rear o2 and replace it with my aem wide band sensor and then wire up a o2 sim to the rear o2 wiring so the pcm thinks everything is peachy keen. Thanks.


If your car is running rich its not because of the post-cat sensor. The pre-cat sensor makes ALL of the fuel adjustments, all the post-cat sensor does is make sure the cats working as it should, thats it. You can replace the rear o2 with a sim and it will fix your code but will do nothing for your misfire or rich problems.
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