My car runs bad after 30 min of driving

Asked by saeed Jul 18, 2019 at 12:37 AM about the 2011 Chevrolet Cruze LS Sedan FWD

Question type: Maintenance & Repair

My car run perfectly when I start it but after 30 min  from
driving it become very weak and the engine sound become
higher    also the performance become very bad  I checked
the fuel pump pressure it is good   

1 Answer
22,215

Gary answered 5 years ago

Check the catalytic converter. Any strange smell when it starts running poorly? Sounds like the catalytic converter is heating up and causing blockage of the exhaust.

Mark helpful

Your Answer:

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