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Old 02-18-2013, 09:46 PM
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Join Date: Apr 2011
Location: Florida USA
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Gender: Male
Vehicle: 1995 Dodge Ram B2500 Van
Trim Level: SLT - 2500
Color: Deep Molten Pearl Coat, Silver, Grey
Engine: 1994-2001 318ci (5.2L) Magnum V8 220hp
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Originally Posted by Ted98 View Post
Just a few days ago I noticed a propane smell when I came to a stop. Its not all the time but I smell it about 2-3 times a day. At first I thought there was a diesel pickup near by running propane injection but it has become to frequent to be that.

I have been told it's my cat going bad but I always thought that a bad cat smelled worse then that and more like a sulfur/skunky smell.

Someone also mentioned to me today that it sounds like I could be running lean.

Without an AFR gauge on my truck or access to a decent scanner (all I have is for heavy trucks and a code scanner). I can't see in I am in fact running lean.

Any thoughts on what could be wrong?
Do you buy gas from a certain gas station? It is possible you are just pumping a bad batch! Other than that if you have a 1996 or newer there will be a post-cat oxygen sensor which should set off a emissions failure code, if you are getting this code than it is either the cat or the sensors.
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