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Cat and resonator delete



The cat test I thought was the car running rich for a bit or however long then looking for it on the rear 02 then it was happy. Which would make the sim not work because it wouldn't read the car running rich so it would be stuck always on. But i have no idea how accurate that is, thats how I've thought it was.

Sent from BFE
 
I would pass on the sim.. I wouldn't want to screw around figuring out how well it is or isn't working. Seems like a waste of time and potential money if it goes bad after a little while... I would just replace the cat or clean it out. I changed up my exhaust and actually welded on my old cat because I didn't want to run into these similar problems but was able to eliminate the u-bend which is really what puts a damper in performance.. Not that our cars have much of that anyways..
 




did you read the link i posted? they all pretty much said it still sends off poor ltft's. sim's can help, or not. the 01 is different then the 97-00 cars as far as the rear 02 goes.
 
Scottydoggs said:
did you read the link i posted? they all pretty much said it still sends off poor ltft's. sim's can help, or not. the 01 is different then the 97-00 cars as far as the rear 02 goes.
Click to expand...
No
You still havn't looked at my post close enough.
I'm not just talking about setting the rear o2 to no report with dhp
With Tiny tuner you can set the number of cat tests per trip on an 01+ car to zero
Therefore no cat test happens and no extra fuel to screw up the LTFT's
 
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