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Boosting Irresponsibly
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107 Posts
Discussion Starter #1
So I was on my way to school a little while ago, hit an open stretch of beltway 8 and gave her the beans. After I was done and was slowing down I look at my gauge cluster and see a CEL. So I get to school, get a scan tool and see the P2096 Post Catalyst fuel trim system too lean bank 1. I cleared it and walked back to class. My question is what would have cause this? I searched and didn't find any information pertaining to my set up and this problem.

All's I have on the car is TBE with UR high flow cat, SRI, HKS bov (in conjunction with the stock bov), and wastegate actuator.
I just put a breather on the PCV side and capped the other nipple on my SRI.

Im thinking bad 02? Ill let you guys know if the code come back.
Thanks
 

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3.5L TT but wrong body
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12,003 Posts
Strange you got it with a hf cat, pretty sure that's the code guys with no cats get. Bad 02 or loose plug maybe...
 

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Boosting Irresponsibly
Joined
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107 Posts
Discussion Starter #3
Ill check the connectors and the last 02 sensor. Looks like its time for a wideband:fleshbox:. When I had the CEL the car was hitting full boost fine and didnt drive any differently so should I be more concerned than I am?
 

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301 whp
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1,102 Posts
I get it all the time. I also have a full TBE system with high flow cat. Car drives no differently. Sometimes it clears itself.
 

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3.5L TT but wrong body
Joined
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12,003 Posts
I'm at like 15K miles with full tbe and hf cat, never had a 2096 cel.
 

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Boosting Irresponsibly
Joined
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107 Posts
Discussion Starter #7
Sometimes those "high flow cats" can flow a little too much....Confuses the ECU and it assumes the cat isn't there.
That was the explanation I was looking for. Thanks Tim!
 
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