Questions tagged [p0430]
8 questions
5
votes
1 answer
How to determine if P0430 is O2 or catalytic converter
2009 CTS4 3.6L
P0430 catalyst below efficiency bank 2 comes on periodically. (There are no other codes being thrown.)
I put a data logger on it today on my drive to work and the rear sensor is certainly erratic at times. It doesn't necessarily…
Matt
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Nagging P0430 (and now a pending P0420 too!) 2004 Lexus ES330
I've got a 2004 ES330 (2nd owner) with roughly 315,000. We didn't pay much for the car in 2012 with 164,000 miles. So, i've never gone overboard in maintenance of it. A year ago, when it was time for 2017 annual emissions testing, I had a persistent…
MJBeaten
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3
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3 answers
Is my catalytic converter bad?
I have a 2006 Lexus LX 470 and I’m getting the check engine light on. I have a reader and I am seeing P0430 “ catalyst efficiency below normal (bank 2). I took some data from the sensors and plotted it but didn’t really understand it that well. Was…
clintsmith
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help me understand Dodge code p0430
2004 Dodge Ram 1500 4.7 had a bank 1 sensor 1 code come on so I changed that sensor along w/plugs and coils, then drove about 2 miles truck started missing little.
Code now reads P0430 and seems like its running on 2 plugs. Just bogs down unless…
michael Wayne
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Just changed catalytic converter and getting P0171 and P0430 codes
Vehicle is a 2004 Mercury Monterey, V6. Over the winter the injectors were replaced, and all 4 O2 sensors. It failed a state inspection, because the catalytic converter had been damaged, presumably from running lean prior to the injector problem…
James Doyle
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Hundai P0430 DTC
On a 2005 Hyundai Santa Fe, I have a P0430 code. The description is "Catalytic converter below efficiency, bank 2". How many O2 sensors are there and where are they? Also which one(s) could contribute to this code. Thinking I'll try the sensors…
BrianK
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P0430 (Catalyst System Efficiency Below Threshold) Toyota Camry 2005 V6
I have a 2005 Toyota Camry V6.
The check engine light was on for while and I cleared it once using an OBD2 reader. It didn't come up for while. I used the .87 petrol and I thought that is what causing the issue. So I mixed some premium gas and the…
still_learning
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OBDII Codes P0304 and P0430
On a 2005 Lexus RX330:
P0304 Cylinder #4 misfire.
What is the cause and is it a big job to fix?
P0430 Catalyst system efficiency below threshold - Bank 2.
Is this a big job?
Is it OK to run the car without fixing them?
ahamed
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