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Malibu Another long running GM name, the Malibu has overcome many changes to be one of the top mid size sedans heading into its eight generation.

Chevrolet Malibu
This area is for FWD models 1997 and newer
Platform: N-, Epsilon, Epsilon II.

p0420 code

   
Old Oct 20, 2007 | 1:07 AM
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bigbabee
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Default p0420 code
I replaced both o2 sensors and installed three different universal catalytic convertors and I still get the P0420 code on my 2001 Malibu. What now?
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