Rotten Egg Smell, poor gas mileage – but no light on?

New Topics Forums General Discussion 2004 – 2009 Nissan Quest Rotten Egg Smell, poor gas mileage – but no light on?

This topic contains 2 replies, has 3 voices, and was last updated by  dtownfb 6 years, 9 months ago.

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  • #1208

    melann78
    Participant

    I have an ’04 SL with only 52,000 miles on it. We bought it over the summer. There is a rotten egg type smell seemingly getting worse. I really seem to notice it after I go up a hill and are at a stoplight, or when I pull into our garage (we live at the top of a hill). But then again, this morning when I dropped my son off at school he opened the door to get out and a wave of it hit me and there were no real hills around. Plus, my gas mileage is terrible, around 15 in town. With no a/c!

    My husband refuses to believe it’s the catalytic converter because there is no type of warning light on. If it’s not that, what is it? I am really embarrassed by the smell! The van looks so nice, I just can’t believe the smell. Anyone had this issue?

    #4686

    Marstainage
    Participant

    Our’s has the same smell, don’t know if it’s the Cat or not but try running a can of Seafoam in it and some better gas to see if it helps, maybe 93 Amoco gas, I’m going to do the same thing.

    #4726

    dtownfb
    Participant

    I’m assuming that this happens all the time and not just for this tank of gas. The catalytic converter is the first place I would look. And try a different brand of gas.

    BTW, your in-town gas mileage is not poor. Remember this is a heavy vehicle. We typically get 14-15 mpg in-town which is all stop and go. The average miles per hour calculated by the computer is always less than 20 mph which supports the stop and go driving.

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