Why dose my truck smell like bad eggs? - Ranger-Forums - The Ultimate Ford Ranger Resource


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  #1  
Old 09-14-2011
d-rock's Avatar
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Why dose my truck smell like bad eggs?

i just changed my plugs and now it is running like crap but i cant find what is wrong. tryed wires. same thing and new plugs same thing

but it smells like bad eggs and back fireing
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  #2  
Old 09-14-2011
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Did it throw any codes? And you checked to make sure none of the plug wires are crossed?
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Old 09-14-2011
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Eggs in the back?
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Old 09-14-2011
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no eggs in the back and no codes
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Old 09-14-2011
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probably a chicken got under the hood and laid eggs in the intake box. sometimes mice nest in there too.
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Old 09-14-2011
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Do they smell like scrambled or sunny side up?
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Old 09-14-2011
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ur cats are BAD get replaced.. before MAJOR engine damage is done...
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  #8  
Old 09-14-2011
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ok if that is the case my truck has 2 on there would i be able to by pas 1 and just put 1 after market 1 on
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Old 09-14-2011
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  #10  
Old 09-15-2011
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No you just need to stop farting so much into your seats
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  #11  
Old 09-15-2011
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Sounds like you have a cat blocked.
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  #12  
Old 09-15-2011
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Any updates on this? Did you check to see if any of your wires were crossed after changing the plugs?

Also, go to your "User CP" and update your signature. This way we can know the year/model of your truck. This way we can possibly help you out a little better.

As stated above, check out your cats. If they are clogged/bad or whatever, you can replace them.
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  #13  
Old 09-16-2011
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Quote:
As the fuel burns, the organic sulfur compounds break down into simpler compounds. If the engine is running lean (more air than is needed to burn the fuel), the sulfur is likely to be SO2, or sulfur dioxide. The catalytic converter can change this into SO3 (sulfur trioxide), which then reacts with the catalyst to form sulfates on the catalyst. Over several minutes there is a build up of sulfates. If the engine suddenly starts to run rich (not enough air to burn all the fuel), such as when you stop at a red light, climb a steep hill, or brake hard to slow down, the chemistry changes. Now the sulfates are unstable and they react to form hydrogen sulfide, which is expelled from the exhaust pipe all at once. The high concentration is the reason for the bad smell! This effect is a common problem with new vehicles because the catalyst is working at a very high efficiency. However, as the catalyst gets older, the activity drops. Fortunately for us, one of the first reactions to be affected is the formation of hydrogen sulfide. So as the catalyst gets older, the smell will go away. It should also be noted that many catalysts never smell bad. One reason might be because the vehicle doesn't run lean for much of the time, or perhaps the catalyst has an extra component that reduces the production of hydrogen sulfide.
This help?
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Old 09-16-2011
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Cats definitely bad.
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  #15  
Old 09-22-2011
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Quote:
Originally Posted by Beef08 View Post
No you just need to stop farting so much into your seats
+1 on this. I had the same problem and after a day or two the smell goes away.
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