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  #25  
Old 01-27-2014, 04:54 PM
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Re: Diesel reliability for short trips

Wasn't it said that he's getting 12 MPG with a Rubicon? Not really a fair comparison for the engine in two very different vehicles as far as aero dynamics goes.
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  #26  
Old 01-27-2014, 06:53 PM
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Re: Diesel reliability for short trips

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Originally Posted by dugedug View Post
Compared to what? The 3.8 and 4.0, umm ok.
I give up.

Sometimes the cage still turns after the hamster is already dead.
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  #27  
Old 01-27-2014, 08:33 PM
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I think it will take care of itself. My '12 cummins only once told me "regen required DPF 80% full". I drive about 30k miles a year, city back and forth to office to pulling 21k lb 36 ft gooseneck for up to 8 hrs...the other day my truck didn't shut off for 11hrs, most of it idling...I set the high idle though and when it's not -30 wind chill like the other day, I open the hood too. Even when mostly around town it will go into regen, and I've not noticed when I pulled in the office and shut it off, and it picked back up when I started it. The local dealer recommended just letting it go through regen vs shutting down mid cycle... it will automatically idle up and then back down when it's done if it's just idling when I'm on a job. Kind of sucks getting home and it starts a cycle and gotta let it run, but I don't pay for fuel, so oh well. Wife remote starts our jeep every morning and when she leaves work, I've only noticed more DEF usage, but no regen yet in 1300 miles. I'm assuming it will take care of itself, but will take it out and run the highway once in a while anyway. I think you'll be ok.
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  #28  
Old 02-05-2014, 11:18 AM
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Re: Diesel reliability for short trips

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Originally Posted by dugedug View Post
Compared to what? The 3.8 and 4.0, umm ok.
Compared to most of us who have them - yours is in a wrangler with lower gearing and the older 5 speed Mercedes automatic.... Most of us who like them are in GCs with 8 speeds.... I'm getting about 18 in mine and mostly DC commute traffic.. Performance is similar to the V8s with the 5 spd (which are all choked up by EPA trash)
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  #29  
Old 02-05-2014, 05:13 PM
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Re: Diesel reliability for short trips

This has been a helpful thread since I was wondering about the regen process on short commutes too. I guess I will wait and see how my GC reacts.
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Old 02-28-2014, 01:54 PM
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Re: Diesel reliability for short trips

Trucks have passive regen function, so regen can be performed on the parking lot-takes about 20 minutes. My truck needs regen every day and it's getting worse. DPF filters do not last too long and are expensive to replace. In europe people are frustrated and having DPF removed even it is illegal. DPF filter for Honda CRV diesel costs in europe 3,000 Euros - about 4,000 $.
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  #31  
Old 02-28-2014, 02:09 PM
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Re: Diesel reliability for short trips

Quote:
Originally Posted by dugedug View Post

The 3.6 is adequate for flatland parking lot to parking lot operations. For any driving that has an incline, a headwind, highway speed traffic, or non-optimal surface I would look elsewhere.
.
Diesel fumes are proven to adversely affect health, and apparently not just cardio-respiratory systems...

Thank God the world I live in is flat...at least for 1000 miles around me, and the wind is always from my tail. Validates my choices :-)
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  #32  
Old 02-28-2014, 06:53 PM
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Originally Posted by f1anatic View Post
Diesel fumes are proven to adversely affect health, and apparently not just cardio-respiratory systems...

Thank God the world I live in is flat...at least for 1000 miles around me, and the wind is always from my tail. Validates my choices :-)
It appears that your reference to gas engines being cleaner and emitting less particulates that cause cancer are based on older carburated and indirect injection motors. I know its important that you have "validation of you choices", but you were a bit premature....

Just to help you sleep at night... ☺
http://www.transportenvironment.org/...-dirty-diesels

I wouldn't be concerned either way...much adu about nothing.
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  #33  
Old 03-01-2014, 12:00 AM
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Re: Diesel reliability for short trips

I am convinced you are mistaken in your interpretation of my statement and its intent.
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