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Recent questions tagged p0420

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1 answer 419 views
How to fix 2007 Dodge Caliber code's P0581, P0585, P0593?
asked Feb 23, 2024 by Battle24 (101 points)
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1 answer 371 views
P0420P Code from 2011 Ford Fiesta S
asked Mar 2, 2023 by Karat367 (101 points)
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1 answer 365 views
Code p0420 is it my o2 sensors
asked Jun 17, 2021 by Will57 (101 points)
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1 answer 497 views
2008 Toyota Prius, how do I fix fault code P0420 OBDII?
asked Feb 27, 2021 by Deraijo123 (101 points)
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1 answer 780 views
Code readings p0420 AND p0171 2005 Nissan Altima 2.5s?
asked Mar 15, 2019 by Jordan Berner (101 points)
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1 answer 1.1k views
Code P0420 on 2014 Nissan Versa Note?
asked Jan 1, 2019 by Lcowan (101 points)
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1 answer 396 views
2006 Dodge Durango Slt
asked Dec 17, 2018 by Julie Pruett (101 points)
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1 answer 358 views
can a bad o2 sensor throw a p0420 code in a 2004 beetle 2.0 ltr?
asked Dec 6, 2018 by
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1 answer 2.0k views
P0420 P0171 Toyota Corolla 2003
asked Dec 1, 2018 by
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1 answer 6.1k views
Cause of (I suspect false) P0420 & P0430 codes in 2002 Toyota Rav4
asked Dec 1, 2018 by
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1 answer 2.5k views
P1259 Honda -
asked Dec 1, 2018 by
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1 answer 816 views
a po430 and a po181 codes on 06 Nissan Frontier what might be the problem ?
asked Nov 27, 2018 by Lapina89 (102 points)
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1 answer 472 views
1999 honda civic going threw 2.5 qts every 500 miles
asked Nov 26, 2018 by
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1 answer 425 views
P0420 Volkswagen -
asked Nov 25, 2018 by
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1 answer 456 views
Could P0420 and P0171 be tied to a o2 sensor
asked Nov 25, 2018 by
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