My 2009 ISX smells like it's burning rotten eggs for fuel today! I've noticed the smell before but today it's strong! Any ideas what's causing this?
While I'm asking questions - what makes this fine piece of American craftsmanship surge at idle?
what's that rotten egg smell???
Discussion in 'Trucks [ Eighteen Wheelers ]' started by Markvfl, Mar 31, 2014.
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Batteries. Change them immediately.
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Have the electrical system checked to be sure it is not overcharging. If it is good then you have a shorted out battery. Do NOT change just the bad battery. Do all 3 or 4 whichever you happen to have.
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I don't know if voltage would cause the surging, but it might, there are lots of electrical issues that can happen with the ecm engines, and not just the ISX.
Even a reefer unit can have troubles with it. -
Rotten eggs has always been a bad battery in my experience. Every couple years I smell it, and load test the batteries and sure enough, one of them is junk. You can get a cheap load tester at any auto zone for less than fifty bucks. Sure beats taking it to a shop and paying them a hundred bucks to do the same thing.
Woosy56 Thanks this. -
That is the smell of Sulfur Dioxide off gassing, boiling battery..
The bad one will be considerably warmer that its mates... Dont mix new and old... -
Deleted, posted in wrong thread.
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I've had good luck with Cat 825 CCA batteries BTW. They seem to last a good 3 years which is incredible for how hard I am. The 975+ CCA regular lead acid would last 18-24 months or so.
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