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Recent questions tagged p0420

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P0420 Chevrolet -
asked Nov 24, 2018 by
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1 answer 349 views
need to see bank one for toyota sianna 2003
asked Nov 23, 2018 by
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2002 Chevrolet Avalanche 4.8L with code P0420 and P0430
asked Nov 22, 2018 by
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can a california catalyst converter be replaced by an ohio converter
asked Nov 21, 2018 by
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P0420 code after new cat
asked Nov 19, 2018 by Foggy1s (101 points)
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P0420 in 2002 Sodge Durango RT, 5.9. What is the problem?
asked Nov 19, 2018 by
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P0420 Honda - accord ex 2003
asked Nov 18, 2018 by
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1999 Honda Accord V6 with engine code P0171, how to replace senor?
asked Nov 18, 2018 by
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Why does my focus just turn off?
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1 answer 401 views
p0429 code on 2006 Nissian Altima suspect converter
asked Nov 16, 2018 by
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1 answer 606 views
Why does my engine light come back on after replacing the catalyst converter
asked Nov 15, 2018 by
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2006 Toyota Sienna 3.3L v6 codes p0420 and p0430
asked Nov 14, 2018 by
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1 answer 273 views
i just replaced the #3 coil and after driving for awile i got a po420 code .
asked Nov 14, 2018 by
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1 answer 475 views
P0420 Buick -
asked Nov 13, 2018 by
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P0420 Chevrolet -
asked Nov 11, 2018 by
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