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Recent questions tagged p0420

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2006 Nissan Maxima SL 3.5L with engine code Code P0420
asked Oct 8, 2018 by
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1 answer 405 views
P0505 Nissan -
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1 answer 561 views
is it really the converter? 2005 Nissan Titan
asked Oct 7, 2018 by
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1 answer 434 views
Emmisions CODES
asked Oct 6, 2018 by
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2010 Chevy Traverse V6 Check engine light on gave the code p0420
asked Oct 4, 2018 by
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1 answer 525 views
2006 Pontiac Solstice 2.4L with engine codes P0420 and P1174
asked Oct 2, 2018 by
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1 answer 238 views
P0420 Dodge -
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1 answer 484 views
2002 Buick Ultra 3.8L Super Charged, how do I repair the code P0420?
asked Sep 30, 2018 by
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P0139 2002 Hyundai Elantra -
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Toyota Rav 4 PO420 Code
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P0420 BMW -what is causing this
asked Sep 27, 2018 by
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1 answer 374 views
P0420 Pontiac - What to do next?
asked Sep 27, 2018 by
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1 answer 387 views
Cost to replace catalytic converter on a 2007 camry hybrid?
asked Sep 26, 2018 by
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1 answer 1.1k views
P0430 -do i need to change both catalytic converters to clear this code?
asked Sep 24, 2018 by
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1 answer 825 views
P2a00 Nissan - 07 350z
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code PO420 cat inefficient Bank 1
asked Sep 20, 2018 by
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