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Old 01-04-2012, 01:00 PM
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What's That Smell

Okay, I know this is probably the oddest question ever asked, but I'm totally serious and really curious. It has to do with the smell of the exhaust (yep, you read it right).

Having a history of owning other diesel powered vehicles and a history of driving charter buses, I have developed a standard on what I think diesel exhaust should smell like. This may sound weird to some (well maybe not to those on this site), but I like the smell of diesel exhaust. However, the exhaust from my truck doesn't smell like what I think it should and what I have come to love. It has more of a pungent sharp smell. Would that be due to the emissions equipment (DPF, CAT, etc)? I'm guessing that since the DPF is designed to remove the soot from the exhaust, it literally changes the smell. Am I right?

Wayne
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Old 01-04-2012, 01:11 PM
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Originally Posted by cp2146 View Post
Okay, I know this is probably the oddest question ever asked, but I'm totally serious and really curious. It has to do with the smell of the exhaust (yep, you read it right).

Having a history of owning other diesel powered vehicles and a history of driving charter buses, I have developed a standard on what I think diesel exhaust should smell like. This may sound weird to some (well maybe not to those on this site), but I like the smell of diesel exhaust. However, the exhaust from my truck doesn't smell like what I think it should and what I have come to love. It has more of a pungent sharp smell. Would that be due to the emissions equipment (DPF, CAT, etc)? I'm guessing that since the DPF is designed to remove the soot from the exhaust, it literally changes the smell. Am I right?

Wayne


Yes you are correct. I was amazed by the smell difference when I first bought my truck too.
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Old 01-04-2012, 01:26 PM
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Thanks. I thought that was probably it, but I wanted to ask anyway. I guess that's just one more reason to get rid of the DPF, etc.

Wayne
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Old 01-04-2012, 01:30 PM
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Originally Posted by cp2146 View Post
Thanks. I thought that was probably it, but I wanted to ask anyway. I guess that's just one more reason to get rid of the DPF, etc.

Wayne
Yup. When I deleted, that good ole smell of diesel burning came back. Best smell evvvverrrrr.
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Old 01-04-2012, 02:04 PM
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Nothing like the smell of Diesel in the morning.
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Old 01-04-2012, 05:16 PM
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haha every morning when im warming it up the whole yard smells AWSOME.
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Old 01-04-2012, 05:23 PM
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I'll never forget that first time starting it after taking off the DPF and smelling diesel burning instead of cat urine. It was nice.
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Old 01-04-2012, 05:31 PM
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i was workin on a 6.4 yesterday. i was shocked how much different it smells to my 6.0 or a 7.3 its almost smalls bad
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Old 01-04-2012, 07:40 PM
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Just another reason to delete. Mine smelt so bad during regen I had to turn off the heater fan at stop lights.
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Old 01-05-2012, 03:55 AM
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Yes its bad, regen makes me almost want to dry heve! Nice when Im next to a preus though!
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