Feb 22, 2022 · Hello all, I have a 2012 grand Cherokee, 146k miles, and recently had my check engine light come on. Ran the code and it came back with P0430 Low catalytic efficiency. …

Nov 25, 2014 · P0430-CATALYST EFFICIENCY (BANK 2) For a complete wiring diagram Refer to Section 8W. Theory of Operation The State of Change (SOC) catalyst monitor uses the …

May 11, 2009 · P0430 had the Check Engine light on my 05 Grand Cherokee with the 4.7 V8 with 80k miles. Local trusted mechanic says all four O2 sensors are working and both catalysts …

Feb 1, 2012 · Help With Check Engine Codes P0430 & P2098 Jump to Latest 19K views 10 replies 4 participants last post by MeanGreenZJ Feb 2, 2012 K

Jan 31, 2018 · A few months ago, the check engine light came on with the codes P0420 and P0430. Since then, I have replaced all 4 O2 sensors and the gas cap (I heard that may be an …

Jan 29, 2024 · Catalyst System Efficiency Below Threshold (Bank 2). A faulty catalytic converter, damaged O2 sensor, wiring issues, and exhaust leaks are the most common reasons why the …

Nov 13, 2017 · P0430 Which Side is Bank 2 Catalytic Converter? 2006 300, 3.5L Tags bank converter p0430 pretty sensor Jump to Latest 13K views 5 replies 5 participants last post by …

Feb 8, 2018 · Hey all. So, im getting the 'ol P0420 and P0430 codes. Going to replace the CAT with a new DAVICO one, but how do I figure out what caused it to fail in...

Jul 7, 2016 · so it's been a little while since I've posted. I am now not only getting the p0420 code, but a p0430 code too! Which is both banks! Should I even bother replacing o2 sensors? The …

Nov 12, 2017 · And P0430 is catalyst efficiency (bank 2). Its fairly obvious right off the back that the issue is with the passenger side exhaust (bank 2) in both codes. I have read that its …