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Recent questions tagged p0420

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Dodge 6.1 hemi
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2011 dodge avenger po420 and po430
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I have two codes U1039 and P2106 2004 Lincoln LS 3.9L
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MANIFOLD GASKET CAUSES ENGINE LIGHT TO COME ON?
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P0440 Dodge -
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1999 Oldsmobile Silhouette V6 3.4, P0420 code
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P0420 Buick -
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P0420 BMW -
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po325 and po420 on a 2000 Nissan Maxima
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What do I do for Code P1168 Nissan Frontier 2005
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Service Engine Soon light is on. Code shows P0420
asked Sep 30, 2017 by
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