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Old 09-08-2014, 06:13 AM   #1
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Egg smell in the bedroom!

Oh boy. I see this going in several directions.

I am assuming the catalytic converter on my unit is to blame. One mostly smells it upon hard acceleration. An empty black/grey tank also have no impact upon this. The bathroom likewise does not smell.
It is only in the bedroom which slowly moves forward in the house as time goes on.

Will this go away as the converter breaks in? It has around 1300 miles on it.

The smell also goes away as the motorhome sets...turned off.
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Old 09-08-2014, 07:21 AM   #2
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Could it be a propane leak?
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Old 09-08-2014, 07:23 AM   #3
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Check your batteries. They can give off a smell like your describing.
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Old 09-08-2014, 07:25 AM   #4
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Where are the batteries in your coach? Rotten egg smell sometimes comes from Batteries that are being overcharged
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Old 09-08-2014, 07:28 AM   #5
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Same thing happened to me, thought it was a sewage leak. Turned out to be batteries. New batteries solved the problem.
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Old 09-08-2014, 07:41 AM   #6
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Quote:
Originally Posted by Clifftall View Post
Check your batteries. They can give off a smell like your describing.
Quote:
Originally Posted by datrbone8 View Post
Where are the batteries in your coach? Rotten egg smell sometimes comes from Batteries that are being overcharged
Quote:
Originally Posted by Wizard View Post
Same thing happened to me, thought it was a sewage leak. Turned out to be batteries. New batteries solved the problem.
"Batteries" was my 1st thought as well.
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Old 09-08-2014, 09:36 AM   #7
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Batteries are in the front of the coach under the drivers seat. I'll try it with the propane turned off the next time we drive.
The only additional propane I have are the small screw in tanks in the rear compartment. But wouldn't you think the sensor would go off?

To me it is weird that it only occurs while driving. Totally goes away while parked.
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Old 09-08-2014, 09:47 AM   #8
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Quote:
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Batteries are in the front of the coach under the drivers seat. I'll try it with the propane turned off the next time we drive.
The only additional propane I have are the small screw in tanks in the rear compartment. But wouldn't you think the sensor would go off?

To me it is weird that it only occurs while driving. Totally goes away while parked.
I am not familiar with your coach, but it possibly could be coming from a pressurized sewer vent. When you drive, it could be pressurizing the vent causing the sewer smell to come into your coach. Consider installing one of these:
Amazon.com: Camco 40595 Cyclone Sewer Plumbing Vent: Automotive

This device will cause a suction on the vent pipe when you drive, thereby sucking the odor out the top. Install them on both the gray and black vent pipe. Additionally check for a dry p-trap which would allow the sewer gases into the coach. A common one is the washing machine p-trap which will dry out if not used frequently. (I am not sure if you have this option) Easy fix is to run some water down the drain of the offending p-trap to reestablish the water in the trap.
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Old 09-08-2014, 10:01 AM   #9
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Cat convertors can smell, but are usually worse , during a hard pull up hill when exhaust temps are at their highest, and the smell dissipates the longer your on the road.

Look at your tail pipe extension, it should be 2>3" past the side wall of the RV. Check the body seams above the exhaust system , for missing sealant; most manufacturers spray foam the seams then undercoat over the top to prevent exhaust fumes from entering.
Questions.
Does your coach have a CO detector?
Is your propane leak detector a combination CO/propane?
Are you driving with the roof vents open ?
Does this smell get in while you're using the dash A/C ?
If you're traveling with the 1 lb. propane bottles in a compartment in the rear of the coach, try moving them to the toad to eliminate them as the cause.
Propane should always be transported in a vented area.
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