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Code 43 and 1

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    #1

    Code 43 and 1


    I keep getting a code 43 and code 1 on my 91 cb7 automatic now I know code 1 is the o2 sensor and 43 I have a failur on my fuel system, I replace the o2 sensor for a new one and I keep with the same code I cleaned all my intake due to build up inside what alse can be causing this code
    Last edited by oaxaco1985; 11-20-2012, 03:41 AM.
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    #2
    Bad fpr? Fuel filter, fuel injectors, and fuel pump. I had a bad fpr and a bad o2 when i had a 1 and 43
    visit vgruk

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      #3
      Originally posted by oaxaco1985 View Post

      I keep getting a code 43 and code 1 on my 91 cb7 automatic now I know code 1 is the o2 sensor and 43 I have a failur on my fuel system, I replace the o2 sensor for a new one and I keep with the same code I cleaned all my intake due to build up inside what alse can be causing this code
      Did you reset the ECU after you installed the new o2 sensor? Did you purchase a Denso or NGK sensor? Bosch sensors do not work in our cars.
      Originally posted by Mishakol129
      Do not disrespect my intelligence. I am the smartest person I know : )

      Comment

        #4
        Originally posted by dj_ender View Post
        Did you reset the ECU after you installed the new o2 sensor? Did you purchase a Denso or NGK sensor? Bosch sensors do not work in our cars.
        Thats what I was wondering myself, if he reset the ECU or not.

        When I installed the Bosch O2 sensor I still had a check engine light (43). After I installed the NGK it went away. This was years ago with my 2nd CB.

        I went through all the wiring, replaced a bunch of stuff and nothing worked. A year later after getting shitty fuel mileage the whole time I found out that the Bosch 02 sensor was what was causing me problems, now I dont use ANY Bosch products, wipers, plugs, plug wires, cap, rotor, nothing. I was super pissed when I found out it was that POS O2 sensor and I still hold a grudge to this day.




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          #5
          I did

          Yes I reset the ECU I took the battery cable out and it remains now the sensor is new, I did notice that my cv boot is broken but no grease go in the sensor plugs so I was going after the FPR as my exhust was chrome and now the end of it is black,

          I also know about the bosch causes more problems the one that I have is a denso Oe to honda I was looking for a NGK but a bit out of price range

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            #6
            Originally posted by oaxaco1985 View Post
            Yes I reset the ECU I took the battery cable out and it remains now the sensor is new, I did notice that my cv boot is broken but no grease go in the sensor plugs so I was going after the FPR as my exhust was chrome and now the end of it is black,

            I also know about the bosch causes more problems the one that I have is a denso Oe to honda I was looking for a NGK but a bit out of price range
            If you still get a code 1 after replacing the o2 sensor either you got a bad one ( it happens ), or you need to inspect the o2 wiring and connector for damage.
            Originally posted by Mishakol129
            Do not disrespect my intelligence. I am the smartest person I know : )

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              #7
              ok

              I all ready have the only thing I keep finding is a bit of oil and what seems to be coolant green color but the thing is that I'm using red coolant so I don't know where the green is coming from but I will double check to see if there is any demage wires or conections thank you

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