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Smell of fuel

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    #1

    Smell of fuel

    When i drive the CB to my destination and when i park, i smell fuel which i think are come from the vents but im not sure... any help on that please.

    TKCB792
    Tags: None
    #2
    Ill say start by checking the basics just a few spots to look over. Fuel rail area, Injector o rings, fuel filter lines, gas hoses. You wanna look for cracks or anything of that nature but really need more info as to are you losing gas stuff like that.

    STANCE|WORKS

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      #3
      Injector o-rings are common issues since they are old. I would check on that and as said above.

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        #4
        Originally posted by TKCB790 View Post
        When i drive the CB to my destination and when i park, i smell fuel which i think are come from the vents but im not sure... any help on that please.
        What "vents" are you talking about?
        Originally posted by Mishakol129
        Do not disrespect my intelligence. I am the smartest person I know : )

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          #5
          I believe he means from the hvac vents in the dashboard... which suggests the fuel leak is in the engine bay.






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            #6
            Originally posted by deevergote View Post
            I believe he means from the hvac vents in the dashboard... which suggests the fuel leak is in the engine bay.
            I figured as much, but wanted clarification. I get the same smell occasionally, buts its because I'm missing a stud on my header. OP I would suggest cleaning your engine around the rail and injectors and then look for leaks and/or spots. Also clean around the fuel filter and do the same.
            Originally posted by Mishakol129
            Do not disrespect my intelligence. I am the smartest person I know : )

            Comment

              #7
              If you're smelling fuel because of a missing stud on the header, then you are running rich... That fuel should be burned by the time it exits the exhaust valves. Either that, or your ignition or valve timing is off... or your spark is weak.






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                #8
                Originally posted by deevergote View Post
                If you're smelling fuel because of a missing stud on the header, then you are running rich... That fuel should be burned by the time it exits the exhaust valves. Either that, or your ignition or valve timing is off... or your spark is weak.
                Its a small leak, you can actually see the stud missing in my MRT, upper row, right in the middle. I cant smell it all the time, just usually after a hard pull. Timing is dead on, but I know my valves are too tight, I get a little back firing going down a hill in 3rd, just riding the clutch.
                Originally posted by Mishakol129
                Do not disrespect my intelligence. I am the smartest person I know : )

                Comment

                  #9
                  If it backfires, you are definitely igniting the air/fuel mixture after it exits the exhaust valve. You'll want to fix that before you do serious damage to your valves and cat.






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                    #10
                    Originally posted by deevergote View Post
                    If it backfires, you are definitely igniting the air/fuel mixture after it exits the exhaust valve. You'll want to fix that before you do serious damage to your valves and cat.
                    I know, Ive just been lazy, and it only does it in 3rd under load; ie going down a steep hill, not while flat. I even have the feeler gauges borrowed sitting in my car to do it. Sorry OP, not trying to thread jack.
                    Originally posted by Mishakol129
                    Do not disrespect my intelligence. I am the smartest person I know : )

                    Comment

                      #11
                      Oka so i been having some people ride along wit me and the gas smell comes a lil strong from the back seat and more results of the passenger side...but the smell comes after driving for long periods of time, can anyone pinpoint the exact location of where its come from because im thinking its a seal/gasket or the fuel pump

                      TKCB792

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