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Recent questions tagged p0420

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2 answers 620 views
The light went off by itself then P0420 came on. I smelling gas bad
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2007 4.6 p0420 ?
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0 answers 302 views
What I have to do when I have more than 1 code
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2006 Lexus RX330 p0420
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2000 Mazda Protege 1.8L with code p0420
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1 answer 524 views
P0420 2006 Nissan Maxima -
asked Jun 30, 2017 by
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1 answer 375 views
P0420 2005 Nissan Altima Sedan -
asked Jun 27, 2017 by
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1 answer 435 views
Still have the same codes
asked Jun 24, 2017 by
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1 answer 1.7k views
My 2006 Cadillac DTS produces a P0420 and P2431 codes ,a common fix?
asked Jun 24, 2017 by
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1 answer 469 views
Code po191 po430 2006 f150 5.4
asked Jun 23, 2017 by
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1 answer 457 views
How to pinpoint the problem of P0420 code on a tacoma 2006.
asked Jun 22, 2017 by
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1 answer 359 views
Which catalytic converter needs to be replaced
asked Jun 20, 2017 by
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codes p0411 and p0420
asked Jun 19, 2017 by
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