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Recent questions tagged p0420

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OBD Code - P0420 / P0201 / P351 - what is the likely cause?
asked Nov 6, 2017 by
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1 answer 531 views
2007 Nissan Frontier 4 Cyl with engine P0420
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1 answer 408 views
P0420 2001 Toyota Camry -
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P0420 Saturn -
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P0171 Chevrolet - I am getting this code along with P0420
asked Oct 25, 2017 by
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P0420 Toyota - Corrolla S 2004
asked Oct 25, 2017 by
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1 answer 401 views
does 3 way catalyst mean catalytic converter
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P0420 Pontiac -
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P0420 Scion - Power loss
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What does code p0420 mean on my 1998 Ford Explorer Sport 4.0L?
asked Oct 20, 2017 by
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Code P0420
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2007 Dodge Caravan 3.3L with engine code P0420, how can I reset the code?
asked Oct 19, 2017 by
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1 answer 508 views
P0420 Dodge -
asked Oct 19, 2017 by
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1 answer 415 views
P0650 Hyundai -
asked Oct 18, 2017 by
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P0420 2000 MAZDA Protege 1.8L
asked Oct 17, 2017 by
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1 answer 388 views
1998 Honda Civic LX 1.6L new plugs no cat new o2 sensor and no exhaust leaks
asked Oct 17, 2017 by
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