Quote:
Originally Posted by mag_black
FI non res, MD art pipes and uprev tuned. I turned my Catalyst sensors on at the tuner. Sometimes I get "cat inefficiency" when I drive hard because I'm catless, but I reset, drive around and wait for all my monitors to be in ready state.
Invest in an OBDII scanner. I use PLX kiwi wifi 2 and DashCommand.
edit: I hardly get "cat inefficiency", but it does show up from time to time. It's not a stored code.
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Figured I should respond to this too, with FI LTE/CBE and uprev I never got a cat inefficiency code. I used MD art pipes for a while as well and never saw this code. But even if a code pops up like this you can just drive till it goes away or reset and drive till all monitors state ready just like mag_black says. It should have no effect on passing the test in the end. Please delete this worthless thread.