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Recent questions tagged p0420

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1 answer 585 views

P0420 TOYOTA - my 2001 Toyota Picnic model has P0420 problem

asked Mar 17, 2018 by anonymous

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1 answer 528 views

1999 Dodge RAM with engine code P0420

asked Mar 15, 2018 by anonymous

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1 answer 317 views

P0420 Chevrolet -

asked Mar 15, 2018 by Larry

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1 answer 395 views

03 acura rsx type-s

asked Mar 14, 2018 by julia

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1 answer 311 views

2002 golf gti 2.0 po420 fault

asked Mar 13, 2018 by anonymous

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1 answer 550 views

P0420 Chevrolet - s10

asked Mar 11, 2018 by Jax

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1 answer 375 views

P0420 Cadillac -

asked Mar 9, 2018 by Dan

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1 answer 534 views

P0420 Chrysler -

asked Mar 9, 2018 by Cliff

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1 answer 429 views

P0300 Cadillac - the power goes away when driving up hills and i'm loseing lots of gas

asked Mar 9, 2018 by stacey

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2 answers 564 views

2006 Dodge Durango 4.7L I'm getting both engine codes P0420 & P0430

asked Mar 8, 2018 by SG

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1 answer 1.9k views

I have a 09 chevy malibu ls with code P0420 bank 1 is the catalyst converter the small or big one ?

asked Mar 7, 2018 by Sheilah (101 points)

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2 answers 1.0k views

I got the P0420 engine code on my 2007 Acura MDX. What is this code and how to fix it?

asked Mar 6, 2018 by Chuck

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1 answer 292 views

03 accord it gives me p420 andd lights comes and goes

asked Mar 5, 2018 by anonymous

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1 answer 272 views

I had code P0420

asked Mar 5, 2018 by Mark

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1 answer 300 views

P0420 Toyota -04 Solara V6 catalytic coverter problem

asked Mar 5, 2018 by Michelle

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1 answer 1.3k views

I have codes "P0420, P0430, and P1446." Where do I begin to correct this problem?

asked Mar 4, 2018 by anonymous

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1 answer 284 views

asked Mar 4, 2018 by Scott

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1 answer 466 views

06 pontiac grand prix p0420

asked Mar 4, 2018 by anonymous

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1 answer 342 views

P0420 PONTIAC -

asked Mar 4, 2018 by anonymous

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1 answer 748 views

P0420 Honda - Accord - 2006 - 4 cyl

asked Mar 1, 2018 by Tim

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