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General Technical Chat This section is for technical discussions relating to general maintenance, electrical issues, engine trouble, and recalls.
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Focus Rookie
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Help! 2003 Ford Focus ZX5 - O2 sensor
ok I have a 2003 ford focus zx5 2.0l dual overcam.....heres my problem.
got the sensor 1 bank 1 error, so we replaced both O2 sensors, the upstream and downstream. my car still idles funny and rough and the check engine light is on. any ideas/suggestions of what we can try next before i am forced to take it into the dealership. thank you for all the help and advise in advance |
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Focus Fanatic
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