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Recent questions tagged p0420

1 like 0 dislike

1 answer 643 views

What does the engine code P0420 Bank 1 mean on my 2003 Nissan Xterra?

asked Dec 26, 2017 by rich

1 like 0 dislike

2 answers 426 views

2004 Chevrolet Silverado 4.3L V6 with engine code P0420

asked Dec 25, 2017 by Tommy

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1 answer 377 views

sentra ser spec v 2002 staled engine stop restart the cars cars run 4 second stal

asked Dec 25, 2017 by anonymous

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1 answer 302 views

What is going on with my vehicle?

asked Dec 23, 2017 by anonymous

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1 answer 919 views

P0430 mercury grand marque 2004

asked Dec 23, 2017 by anonymous

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1 answer 457 views

how do I clear codes for obd catalist and obd evap 2006 Ford Taurus 3.0

asked Dec 21, 2017 by dave

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1 answer 2.3k views

P0420 catalyst efficiency below threshold (Bank 1)

asked Dec 20, 2017 by anonymous

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1 answer 331 views

1997 Ford TBird 4.6 Code P0420

asked Dec 20, 2017 by Don

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0 answers 299 views

my 99 honda accord has been diagnosed with a few codes where should i start first. )

asked Dec 20, 2017 by anonymous

1 like 0 dislike

2 answers 568 views

Why would my 1998 Honda Accord turn off while driving?

asked Dec 18, 2017 by anonymous

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1 answer 358 views

My engine is on read code p0420-how to fix it

asked Dec 18, 2017 by frenchie

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2 answers 777 views

2003 Chevrolet Impala 3.4L with code P0420 code, how do I fix the code?

asked Dec 17, 2017 by anonymous

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1 answer 296 views

i just installed a remote starter ,could this be my problem

asked Dec 17, 2017 by mike

0 like 0 dislike

1 answer 358 views

P0133 1999 Honda Civic -

asked Dec 16, 2017 by Bert Giddings

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1 answer 499 views

code P0420 1997 chevy cavalier 2.2

asked Dec 16, 2017 by anonymous

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1 answer 364 views

Hello, I replaced the catalyst converter on my son's car and code (430) comes up?Thanks

asked Dec 15, 2017 by anonymous

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2 answers 859 views

On my 1999 Mercury Grand Marquis GS 4.6L, I have the engine codes P0420 and P0455

asked Dec 14, 2017 by anonymous

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1 answer 291 views

P0420 Chevrolet - can I drive it for a little while before replacing?

asked Dec 14, 2017 by anonymous

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0 answers 310 views

P0430 Nissan - pathfinder

asked Dec 13, 2017 by Firewolf

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1 answer 416 views

P0420 Toyota - tacoma 2002

asked Dec 11, 2017 by jmm

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