P0430: Catalyst System Efficiency Below Threshold - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Dusman23 · 10-25-2016, 12:16 PM

I keep getting this error reading on my 2010 Camaro RS. Any reasons why I get this reading? I did get a new exhaust system a few months ago, could that have caused it?
Thanks

Juiced1 · 10-25-2016, 12:20 PM

This code is stating the rear o2 sensors aren't noticing enough difference from the front o2 sensors. Meaning your cats are flowing to well. This code usually pops up when you have high flow cats, mainly on cold starts. Your obd2 scanner should be able to delete the code whenever it pops up. A tune will just turn off your rear o2 sensors and the code will never come back. It doesn't mean anything is wrong and it won't hurt anything.

justa25thTA · 10-25-2016, 01:11 PM

http://www.camaro5.com/forums/showthread.php?t=463985

sdmaro · 10-25-2016, 05:14 PM

I got that once and my intake was loose. Check that everything is tight and bolted up.

Eddiefuzz · 10-25-2016, 05:33 PM

Quote:

Originally Posted by Juiced1

This code is stating the rear o2 sensors aren't noticing enough difference from the front o2 sensors. Meaning your cats are flowing to well. This code usually pops up when you have high flow cats, mainly on cold starts. Your obd2 scanner should be able to delete the code whenever it pops up. A tune will just turn off your rear o2 sensors and the code will never come back. It doesn't mean anything is wrong and it won't hurt anything.

I get that code about once a month.

10-25-2016, 12:16 PM	#1
Dusman23 Drives: 2010 Black Camaro RS Package Join Date: Jul 2015 Location: NJ Posts: 15	P0430: Catalyst System Efficiency Below Threshold I keep getting this error reading on my 2010 Camaro RS. Any reasons why I get this reading? I did get a new exhaust system a few months ago, could that have caused it? Thanks

10-25-2016, 01:11 PM	#3
justa25thTA Drives: 2011 Camaro SS/RS LS3 Join Date: Aug 2010 Location: Texas Posts: 1,630	http://www.camaro5.com/forums/showthread.php?t=463985 __________________ Yeah, I'll get around to it...

10-25-2016, 05:14 PM	#4
sdmaro Drives: 2011 LS Camaro Join Date: Mar 2011 Location: Miami Posts: 566	I got that once and my intake was loose. Check that everything is tight and bolted up. __________________ Exhaust: Magnaflow catback/x-pipe, Injen SRI, BBK Headers w/ no cats Suspension: BC BR Coilovers Cosmetics: ZL1 front conversion, AAC plasma afterburners 2.0, GFX rear, Interior: AAC red footwells, ZL1 shifter boot/knob, suede center console

10-25-2016, 12:20 PM	#2
Juiced1 Account Suspended Drives: 2012 2SS CAMARO 45th Join Date: Apr 2011 Location: St. Charles, IL Posts: 18,663	This code is stating the rear o2 sensors aren't noticing enough difference from the front o2 sensors. Meaning your cats are flowing to well. This code usually pops up when you have high flow cats, mainly on cold starts. Your obd2 scanner should be able to delete the code whenever it pops up. A tune will just turn off your rear o2 sensors and the code will never come back. It doesn't mean anything is wrong and it won't hurt anything.