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my exhaust smells terrible

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    my exhaust smells terrible

    latley I have noticed that my cars exhaust smells like sulfer/ass. I was thinking its because i might need a new O2 sensore, any one have any suggestions?

    #2
    maybe a clogged cat??? that can do it sometimes.
    .....HELLO MY NAME IS BEN...



    186.08whp
    225.94wtq
    torque monster!!!!
    dyno graph 8-10-and 12psi
    http://www.msprotege.com/members/THE...no%20graph.jpg
    http://videos.streetfire.net/player....0-C19CA06AF01E dyno vid

    blahblahblahblahblahblah

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      #3
      or you could be running real rich, that tends to do it too. have you done any mods to the car?
      .....HELLO MY NAME IS BEN...



      186.08whp
      225.94wtq
      torque monster!!!!
      dyno graph 8-10-and 12psi
      http://www.msprotege.com/members/THE...no%20graph.jpg
      http://videos.streetfire.net/player....0-C19CA06AF01E dyno vid

      blahblahblahblahblahblah

      Comment


        #4
        its all OEM exccept when i poped out that MAF screen, but it smelled before i did that mod

        Comment


          #5
          yeah it might be a clogged cat., but i dunno
          .....HELLO MY NAME IS BEN...



          186.08whp
          225.94wtq
          torque monster!!!!
          dyno graph 8-10-and 12psi
          http://www.msprotege.com/members/THE...no%20graph.jpg
          http://videos.streetfire.net/player....0-C19CA06AF01E dyno vid

          blahblahblahblahblahblah

          Comment


            #6
            yeah i was thinkin of removing the cat and making a race pipe, do i need to get a cat simulator for my ecu? also how many cats are on the 1.8L es manual (1999)?? and are the O2 sensors located after the cat(s) or in the exhuast manifold?

            Comment


              #7
              There's gonna be a second o2 sensor that check for catalytic effciency. If the readings of the 2 o2 sensors are the same it'll throw a CEL. Therefore you need a MIL (CEL) eliminater.

              Edit: Also check this TSB from the FAQ.
              2006 Mazda 3 hatchback manual

              Comment


                #8
                bad gas

                The operator's manual says this can happen when you use high-sulfer gasoline. I have only noticed it with Sunoco's el cheapo grade of gasoline. Run the tank to empty, switch brands, and see if that fixes the problem.
                '02 Black Protege5
                '93 Gray Protege DX

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                  #9
                  aight yeah ill look into getting that cel elimulator

                  Comment


                    #10
                    How many miles do you have on your car? This happened to me when I bought the car new and it lasted about 2 1/2 weeks all my friends were like bro your car smells like it's farting. I was so pissed off so after that I just gave up and the smell went away I talked to one of my friends that had a similar problem and he said that the car just needed to be broken in since it was new.

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                      #11
                      i have 53k, so thats not it but thanks anyway

                      Comment


                        #12
                        stop sniffing tail pipes ...
                        it's not good for you and you don't get high.
                        photo album|photo album 2 (pbase)

                        dbest1a AT yahoo DOT com

                        Comment


                          #13
                          Originally posted by bruce95fmla
                          stop sniffing tail pipes ...
                          it's not good for you and you don't get high.
                          Sounds like you speak from experience!
                          2001 ES (Featured at SoundDomain)

                          Pioneer/SoundStream/JBL/Coustic/Elemental Designs/Focal/
                          KnuKonceptz/Lightning Audio/SoundQuest/Tiff/
                          Gel America/Dynamo Deep Cycle Battery/
                          Groundkit

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                            #14
                            Im not sniffin tail pipes hehe, ill just be sitting and a light or when i get outta my car i smell the exhaust.

                            Comment


                              #15
                              maybe you may have a slight exhaust leak somewhere.

                              I am not sure how to check that out, without being under the car.
                              photo album|photo album 2 (pbase)

                              dbest1a AT yahoo DOT com

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