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OT Cummins Full of Soot???

K

Kelly in tx

Member
My check engine light came on. Ram dealer says a crankcase filter is full of soot. (Many $$$ to clean/replace!) I just drove with horse trailer behind for over a couple hundred miles in the tow/haul mode and with exhaust/engine brake. Now light is no longer on. Did I help it? What's going on? Thanks, kelly
 
The filter systems on these new trucks dont like to be Babied or idled around working them good and hard keeps things happy
 

assuming you meant the dpfilter was stopped up. and if the truck goes into regen, it should burn it back clean... but I am guessing you have a newer dpf truck???? You can throw a light from driving too long under 40 mph and stopping it from doing a regen. Faster speeds will allow the computer to clean it up. just a guess.
 
Yes you very well cleaned the filter,heat and a lot of it is good for the filter. BTW never idle a diesel with a filter.
 
Very true and I agree completely.

But I think the original post was about crankcase filter. My work runs mostly blue oval trucks but most of the co workers run newer dodge Cummins pickups which now seem to have crankcase filters which plug up occasionally whether vehicle is driven easy or hard. Some owners let the crancase filter plug up to the point where oil pan gaskets and rear mains seals start failing.
 
Yup. The ford v10 gas trucks that I take care of at work just run and run and run and run. And the lonely chevy flat bed gas 8.1 liter just runs and runs and runs. Gas is cheap compared to expensive repairs plus down time.
 
There's a crankcase filter (CCV) and a diesel particulate filter (DPF). You or they have something mixed up a little I think. They both can get stopped up but if it's soot, it's probably the DPF. The CCV is a maintenance item and I think there is an interval on the message center to replace. The CCV filter is underneath the plastic cover (looks like the valve cover) on top of the engine, it's easy and somewhat cheap to replace. The DPF filter will eventually fail or get stopped up, replacing this is very expensive, delete stuff is expensive too but cheaper and eliminates future problems.
 


2X what 4play said. Your dealer was referring to the exhaust filter. NO diesel should be idled for more than a few minutes. Ever hear of "wet stacking"? That happens with our fifties diesels. The new systems just make idling cost you more money. Don't allow your diesel to idle!!
 
I think you said it all when you said the V10s and Gas V8. work on is right where-as the diesel you just drive, and don't have to do all that work on
 
(quoted from post at 00:20:18 05/01/21) Yup. The ford v10 gas trucks that I take care of at work just run and run and run and run. And the lonely chevy flat bed gas 8.1 liter just runs and runs and runs. Gas is cheap compared to expensive repairs plus down time.
Click to expand...

That is why many fleets of diesel delivery vehicles like ups, fedex, etc. are going to gas vehicles.
 
(quoted from post at 09:56:34 05/01/21)
(quoted from post at 00:20:18 05/01/21) Yup. The ford v10 gas trucks that I take care of at work just run and run and run and run. And the lonely chevy flat bed gas 8.1 liter just runs and runs and runs. Gas is cheap compared to expensive repairs plus down time.
Click to expand...

That is why many fleets of diesel delivery vehicles like ups, fedex, etc. are going to gas vehicles.
Click to expand...

I noticed that too. The UPS truck that comes through here has a cracked manifold and runs the crap out of it every day.
 
Boy, I'm glad both of my Ram Diesels are the old 12 valve P pump models with no computer crap on them. They just keep humming along.
 
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