attach O2 sensors to 2nd cats

raywong · 05-31-2012, 10:21 PM

Will I get the CEL if I delete the primary cats, and attach the O2 sensors to the secondary cats?

Dave07997S · 05-31-2012, 10:43 PM

Quote:

Originally Posted by raywong

Will I get the CEL if I delete the primary cats, and attach the O2 sensors to the secondary cats?

Yes you will...

This doesn't work..

Dave

M3PO · 06-01-2012, 03:33 PM

The emissions reductions provided by the secondary cats are too low. You will get a CEL. It may be intermittent, but you will get one.

edwinm3 · 06-01-2012, 03:49 PM

yes

raywong · 06-01-2012, 11:20 PM

is the secondary cats 200csi？ maybe it's just too small

05-31-2012, 10:21 PM	#1
raywong Private First Class 42 Rep 132 Posts Drives: E92M3 Join Date: Jun 2011 Location: Hong Kong iTrader: (0)	attach O2 sensors to 2nd cats Will I get the CEL if I delete the primary cats, and attach the O2 sensors to the secondary cats?
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06-01-2012, 03:33 PM	#3
M3PO Colonel 84 Rep 2,792 Posts Drives: '08 IB E92 Join Date: Sep 2011 Location: OC iTrader: (7)	The emissions reductions provided by the secondary cats are too low. You will get a CEL. It may be intermittent, but you will get one. __________________ 2008 IB E92 M3\| BBS \| KW \| Arkym \| Platte Forme A.G. \| Active Autowerke \| K&N \| Fabspeed \| Dinan \| Evolve-R
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06-01-2012, 03:49 PM	#4
edwinm3 Brigadier General 980 Rep 4,001 Posts Drives: F82 Join Date: Nov 2011 Location: Broward iTrader: (32)	yes __________________ Grigio Telesto M4, 6MT. Coyote 5.0 F-150 991 GT3
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06-01-2012, 11:20 PM	#5
raywong Private First Class 42 Rep 132 Posts Drives: E92M3 Join Date: Jun 2011 Location: Hong Kong iTrader: (0)	is the secondary cats 200csi？ maybe it's just too small
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