catalytic converter on bucik

Asked by Dick Sep 30, 2021 at 05:06 PM about the 2011 Buick Lucerne CXL FWD

Question type: General

i replaced the catalytic converter on my 2011 Buick Lucern because the dealer
said that was why the engine light was on.. Also replaced the two oxygen
sensors.
The check engine light will not stay off goes two days and comes back on.

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