2005 Hyundai Santa Fe "p0420 p0430" Questions

P0420 and P0430? i was told it was my o2 that needed to be replaced, but theres 4 of um 2 (pre&post)on each side. how do i know if im replacing the rite one? codes p0420 and p0430 are both post o2

...p0420 and p0430 i can clear the codes and they will not return till it fails to start again Definition of Diagnostic Trouble Code P0420 Category: Powertrain Definition: Catalyst System Efficiency ...

...p0430 and p0420 codes. (It had been 6000 miles since my last oil change Got oil changed and had them check for loose hoses near air filter but they found none loose) P0420 & P0430 You need new ...

P0420 and P0430 are these sensor ? P0420 and P0430 are codes related to the catalytic converter effeciency. The catalyst will need to be replaced $$. I have a P0420 code and it seems to be the cat ...

...P0430 and p0420 catalytic converter I have 2003 Toyota Highlander a four cylinder with 100,000+ miles. it is been a while the ck engine soon is on. When I ck it is reading P0128, P0420, P0430 What ...

...p0420 and p0430, how to fix these issue with my 2001 Audi A6 2001 Audi A6 EOBD code: P0420 Fault location: Catalytic converter system, bank 1 - efficiency below threshold Probable cause: Catalytic ...

...p0420 & p0430 code.. 2005 ford expedition 5.4 ,,,, can you please tell me where is located p0010 code, A camshaft position actuator circuit/open bank 1... Same truck .. Thank you p0420 and p0430 both ...

p0430 and p0420 Hi Charlie,Diagnostic Test Codes (DTCs) P0420 and P0430 ar "Catalyst Efficiency" codes.  These simply mean that the catalytic converters in your vehicle are not performing the way

...P0420 or P0430 Diagnostic Instructions * Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. See: Testing and Inspection\Initial Inspection and Diagnostic ...

...P0430 is just like a P0420, just on bank 2 instead of bank 1 See this post on how to diagnose a P0420...same procedure as a P0430 ...