1st - 5th Generation Civic 1973 - 1995 In the years from 1973 to 1995 Honda released its 1-5th Generation Civics.
1st Gen 1972 - July 1979
2nd Gen 1979 - 1983
3rd Gen 1984 - 1987
4th Gen 1987 - 1991
5th Gen 1992 - 1995

replaced o2 sensor and still throws code 2

 
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Old Aug 6, 2010
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replaced o2 sensor and still throws code 2

hi there i have a 89 civic hb with a b16a and im getting 2 codes on my ecu one is the o2 sensor (2 flashes) and cyp sensor(9 flashes) i just put a new o2 sensor in it today and the distributor is less than a year old and it still throws the 2 codes and i have reset the ecu just wondering if anyone knows what would cause that thanks for your time
Old Aug 7, 2010
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Re: replaced o2 sensor and still throws code 2

Originally Posted by butler89sir
hi there i have a 89 civic hb with a b16a and im getting 2 codes on my ecu one is the o2 sensor (2 flashes) and cyp sensor(9 flashes) i just put a new o2 sensor in it today and the distributor is less than a year old and it still throws the 2 codes and i have reset the ecu just wondering if anyone knows what would cause that thanks for your time
Maybe this will help but one of the mechanics I use said if you put on an aftermarket o2 sensor it will throw a code but a Honda factory one will not Hope this has been of some help
Old Aug 7, 2010
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Re: replaced o2 sensor and still throws code 2

Also he said the aftermarket sensor works but will still throw a code
 
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