2007 Nissan Maxima p0420 code

2007 NISSAN MAXIMA
11,100 MILES • V8 • FWD • AUTOMATIC
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SHANAREED4
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engine light came on took to dealer said it was rear catalytic converter and now engine is back on and they said it might be the front one now because its giving the same code.Is that right or are they trying to get me? Thanks
Oct 19, 2010 at 7:41 PM
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SATURNTECH9
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They replaced the cat under your car for that code?For that code it only show's if it was a bad cat causing that code the 3 way manifold cat on the engine not the cat under the car.
Oct 19, 2010 at 8:42 PM
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BLUELIGHTNIN6
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catayltic converters rarely fail and even when they do its normally because of something else such as a faulty oxygen sensor. i wouldn't be surprised if the oxygen sensor(s) are not at fault here causing the trouble code to appear.
Oct 19, 2010 at 8:42 PM
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