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would a p1441 code trigger a p0420 code. no engine light came on showed up during mass. inspection

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2000 Nissan Altima, 2.5 231,000 miles

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it is not very likely, for P1441 I would start by cleaning the EGR and its piping.

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I have a 2001 GMC Yukon 5.3L 4x4 with engine code P1441
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How do you begin to fix a P1441 code problem for Nissan Altima 2001?
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