exhaust smells like rotten eggs why ?

Discussion in 'Trucks and Trailers' started by rodney, Mar 8, 2002.

  1. rodney

    rodney LawnSite Member
    from sw,ohio
    Posts: 103

    why does my exhaust smell so bad ?
    i cant even have the window down without smelling it or pump gas .:(
     
  2. 75

    75 LawnSite Senior Member
    Posts: 992

    Is it gas or diesel, how old is the truck, is the "rotten eggs" smell always there or intermittent, did the problem begin recently or has it always been an issue, and are there any other symptoms such as the engine being down on power?

    At a guess, I'm going to assume it's a gasoline engine and the catalytic converter on your exhaust may be getting tired or starting to plug up - I am just guessing however.
     
  3. jc1

    jc1 LawnSite Bronze Member
    Posts: 1,655

    Please give the year make and model aswell as what engine.
     
  4. LAWNPROzII

    LAWNPROzII LawnSite Member
    Posts: 78

    I had an explorer with the same problem. I used high octane gas and from time to time it would get that rotten egg smell, so what I did was let the gas get as low as possible and then I would fill it a couple times with regular gas. Then I would return to using high octane until it happened again. Maybe not a total fix but it got rid of the smell.
     

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