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I have a p0430 bank 2 code and was trying to determine is
I have a p0430 bank 2 code and was trying to determine is that the cat closest to the manifold and which side, drivers or passengers … read more
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I have a P0420 code, replaced the upstream oxygen sensor.
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I have the following code on my Nissan Pathfinder 2003.
I have the following code on my Nissan Pathfinder 2003. P0430: Catalyst System Efficiency Below Threshold (Bank 2) -- I am not a good mechanic, but I understand things. I would like to know before I c… read more
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My 2002 pathfinder faile emission test. the test information
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Pathfinder: .. I have a 2001 Pathfinder LE 120K miles
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Nissan Frontier: 2001 Nissan Frontier SE V6 super charger Check
2001 Nissan Frontier SE V6 super charger Check engine light (trouble code p0430) checked by auto parts store Suggestions: replace catalytic converter ". Knock sensor w/p032 ". Oxygen 02 sensor " Bank … read more
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Pathfinder: i have a 2004 pathfinder. i got 4 error codes for
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2005 Nissan Frontier: a p0430 DTC code..catalyst..below threshold
I have a 2005 Nissan Frontier 4.0 Nismo. I am getting a p0430 DTC code which says catalyst performing below threshold. I took it to an independant Nissan mechanic and he said the drivers side cat was … read more
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45-50 mph or im doing over 2500 rpms the codes..control valve..leak
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engine light came on..diagnostic test..catalytic converter..same issue
i have a 2001 i30t and the engine light came on. Code p0430 appeared on a diagnostic test indicating a problem with catalytic converter bank 2. There were 2 errors detected and they both stated the sa… read more
HondaPlatinum
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2001 Nissan Sentra GXE: it threw the following codes..Po..Catalyst
I have a 2001 Nissan Sentra GXE 1.8. It is not running correctly and on a code machine it threw the following codes: Po 420 Bank 1 Catalyst eff. below threshold Po 430 Bank 2 catalyst eff. below thres… read more
Ironmike
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2001 sentra: car runs great, idles smooth, no misfire..o2 sensors
I have a 2001 Sentra XE. I pulled two codes from the OBD II scanner: P0420 and P0430, catalyst efficiency below threshold, banks 1 & 2. The car runs great, idles smooth, no misfire...even under a load… read more
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SueCharleston, WV

Another great insight to what may be the problem. I will have my mechanic take a look at it tomorrow. Thanks again, Frank...you do indeed know your stuff.

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Meet the Experts:

Chris(aka-Moose)

Chris(aka-Moose)

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Tim Mohr

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Marty

Marty

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Mike V.

Mike V.

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Ron

Ron

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Anthony

Anthony

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ASE Master Automobile Technician with over 18 years exp. in this field.

Richard

Richard

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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