diagnostics shows code for catalyic converter effiency bank 1 they say change converter but its not showin symptoms of being bad its using alot of gas what else could it be?

Asked by Jul 31, 2014 at 09:32 AM about the 2002 Chrysler Concorde

Question type: Maintenance & Repair

its a 2002 with a 3.5 liter anc its using
alot of gas...

1 Answer

113,505

There could be a sensor misread in the engine management system, a "live data" test will tell them that. Are you using a dealer or an independent shop? This older car you can use cheaper and a lot of times better independent shops.

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