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Old 02-06-2012, 07:04 PM   #1
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Join Date: Jun 2010
Posts: 11
P0430 ODBII error code

After storing my '04 Cobra in a heated garage since November, I was able to take advantage of the warm weather here today and take the Cobra for a 70 mile round trip. On the way back home, my SES light came on, but I kept an eye on all gauges. I put the scan tool on the car when I got home and I pulled a P0430 "Catalyst System Efficiency Below Threshold (Bank 2)" Reading up on the causes and fixes, I'm not sure what would be the first possible culprit. Cat's bad? O2 sensors bad? The car has 60,000 on it, and has not thrown a SES light before today. What should be the first thing to look at without throwing all kinds of money at trying to find a fix?


2004 Silver SVT Cobra Coupe
2.75" Pulley
CAI upgrade
SLP Loudmouth II's

There's no such thing as a boring day in a Cobra!
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