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2011 fiesta problems

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I have a 2011 ford fiesta SE sedan and I just bought and obd2 scanner to read the check engine light and I got a few different ones. It comes back with o2 and the cat. Im not sure if all 3 are bad or if I just replaced the o2 sensors it would fix everything? Any thoughts? 


All help is appreciated. This car has given me so many problems...



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I'm assuming it's the indication highlighted in red. That would be the issue.

Obd readers have vehicle identification and I think there is a solving method for every detected error.

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You mentioned that the error indications included the o2 and cat. It may be both.

Obviously there is a problem with both. The severity however would have to be determined by a professional.

Once both issues are addressed, the code won't show in red anymore. I would recommend working on the older part. It may just need to be replaced.

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