From: theise@panix.com
On Wed, 5 Feb 2025 16:43:23 -0600,
sticks wrote:
> On 2/5/2025 3:46 PM, Carol wrote:
> > sticks wrote:
> >> Talked to the service guy at Mercedes today. He's got me
> >> thinking that it just might be the idling that has caused
> >> this error. This is the first diesel I've had that uses DEF
> >> and has all that newfangled emission stuff. He claims idling
> >> is not good on modern diesels because it can foul up the DPF
> >> (diesel particulate filter). I guess these things do a
> >> regeneration cycle as needed, but it is done only at a fully
> >> warmed up engine and while actually driving. I guess it gets
> >> hot as hell.
> > Yes, ran into an article on diesels. Partly polution related
> > (very slanted) but it did mention that they don't do well on
> > idle. The fellow was recommending a law that diesels not be
> > allowed to idle more than some short time (2 minites? We have
> > lights longer than that here). They wanted them to turn it
> > off then restart. Problem came up that that costs more gas
> > than idling.
>
> After a little more research I'm fairly certain the problem is
> that it needs a regeneration. I guess they kind of do this
> automatically as often as every 500 miles. Most people, like
> me, don't even know about it. Seems like there should be a
> little more information given to the customer since if you do
> what I did the check engine light come on and you have to haul
> the RV to the dealer if you don't know what is going on, when
> all you have to do is just run the thing for an hour or so.
Typical. I have a real pet peeve about the paucity of user
manuals these days. When they're even available, they have almost
no useful information. Thankfully, searching the web will usually
gather the necessary intelligence, but still. Bah humbug.
--
Ted Heise West Lafayette, IN, USA
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