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    Propane smell inside a vehicle?

    My wife’s Infinity is starting to have a random propane/mercaptan smell . It’s comes and goes randomly. Has happened a 3 or 4 times . Had happened while I was driving by myself. And once with everyone in the car . It only lasts a few minutes. Anyone else ever had this issue ? Or have an idea what could be causing it ?

    #2
    Too many frijoles!!

    Nit sure but that’s what causes it in my truck

    Interested to hear what this turns out to be


    Sent from my iPhone using Tapatalk Pro

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      #3
      Originally posted by OldRiverRat View Post
      Too many frijoles!!

      Nit sure but that’s what causes it in my truck

      Interested to hear what this turns out to be


      Sent from my iPhone using Tapatalk Pro


      Wish it was that simple . [emoji16]

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        #4
        We’ve had issues with our fleet Tahoe’s having a “bad smell” and it has been the batteries going bad. Sometimes they are swollen and other times they appear ok but test bad. Our vehicles have 2 batteries so depending on which battery it is the vehicle will still start fine. The smell comes and goes for the most part.

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          #5
          Originally posted by JWalker08 View Post
          We’ve had issues with our fleet Tahoe’s having a “bad smell” and it has been the batteries going bad. Sometimes they are swollen and other times they appear ok but test bad. Our vehicles have 2 batteries so depending on which battery it is the vehicle will still start fine. The smell comes and goes for the most part.
          Same thing happened to me in my 2017 Silverado. Opened the hood and battery was completely swollen. It was a rank smell.

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            #6
            I was thinking batteries as well. Typically they have a rotten egg smell, but sometimes a propane smell can lean that way as well

            Sent from my SM-G970U using Tapatalk

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              #7
              Do you smell it after car has sat for over night?

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                #8
                My guess is the catalytic converter.

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                  #9
                  Originally posted by oktx View Post
                  My guess is the catalytic converter.
                  This was my first thought also...............

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                    #10
                    This:
                    Originally posted by oktx View Post
                    My guess is the catalytic converter.

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                      #11
                      Originally posted by Kingfisher789 View Post
                      Do you smell it after car has sat for over night?


                      No only while driving down the road .

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                        #12
                        Originally posted by oktx View Post
                        My guess is the catalytic converter.


                        Is there anyways to test it ?

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                          #13
                          Originally posted by JWalker08 View Post
                          We’ve had issues with our fleet Tahoe’s having a “bad smell” and it has been the batteries going bad. Sometimes they are swollen and other times they appear ok but test bad. Our vehicles have 2 batteries so depending on which battery it is the vehicle will still start fine. The smell comes and goes for the most part.


                          The battery is inside the cab so that is very possible. Will try to looking it it tomorrow.

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                            #14
                            Battery is my guess and wouldn’t have said that until this weekend. My brothers camper had a horrible propane smell coming from it. We thought sewage leak-nope. Propane leak-nope. Happened to see the “extra” battery smoking. Unhooked it. Smell went away. Had no idea a bad battery smelled like a septic but it dang sure did.

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                              #15
                              When you do smell this odor do you happen to notice if it’s a little irritating to your eyes or nasal or throat causing you to want a cough?

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