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  #457  
Old 11-30-2014, 06:29 PM
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Re: Is DPF issue for 2014 CRD fixed now?

Some info from AJOR on the dpf issue. Not sure if this is legit, but it is interesting:

Quote:
Originally Posted by The One View Post
Manual burn @ dealer is a temp fix for the moment. Chrysler just released a information pack to dealers this month basically telling dealers to only fill the engine oil about 2-3mm UNDER the full mark as when the DPF regeneration process tries to come on, obviously the car will get very hot, oil expands, crankcase vapour generates etc so if it is over/on the max line, it will cancel the regen due to excessive pressure/vapour etc.
http://www.ausjeepoffroad.com/forum/...d.php?t=136678

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  #458  
Old 12-01-2014, 06:04 AM
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Quote:
Originally Posted by Benn0 View Post
Some info from AJOR on the dpf issue. Not sure if this is legit, but it is interesting:

http://www.ausjeepoffroad.com/forum/...d.php?t=136678
Cant see any merit in it. It doesn't explain them going into limp mode before they can even start the regen and therefore able to get hot. In my case, car was cold, I started it in the morning, reversed out the driveway drove about 50m up the road when I got the message to drive at highway speeds, then almost instantly the service throttle, and limp mode. Total running time less than 30sec. Last driven 10 hrs prior.
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  #459  
Old 12-01-2014, 06:19 AM
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Re: Is DPF issue for 2014 CRD fixed now?

Quote:
Originally Posted by iboughtajeep View Post
Cant see any merit in it. It doesn't explain them going into limp mode before they can even start the regen and therefore able to get hot. In my case, car was cold, I started it in the morning, reversed out the driveway drove about 50m up the road when I got the message to drive at highway speeds, then almost instantly the service throttle, and limp mode. Total running time less than 30sec. Last driven 10 hrs prior.
Yeah, but the Jeep should have been attempting to regen well before it got to the point the filter is full. Why didn't your car regen successfully before the point it went into limp mode? My guess is that the system thinks something isn't within parameters to perform the regen, and this may be one of those parameters.....
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  #460  
Old 12-01-2014, 06:22 AM
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Quote:
Originally Posted by Benn0 View Post
Yeah, but the Jeep should have been attempting to regen well before it got to the point the filter is full. Why didn't your car regen successfully before the point it went into limp mode? My guess is that the system thinks something isn't within parameters to perform the regen, and this may be one of those parameters.....
It was a few days after a service.....
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  #461  
Old 12-01-2014, 03:08 PM
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Interesting article on what causes a failed regen.

http://pmmonline.co.uk/technical/cau...m-regeneration
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  #462  
Old 12-01-2014, 03:57 PM
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Re: Is DPF issue for 2014 CRD fixed now?

Quote:
Originally Posted by XtRmn8 View Post
Can anyone tell me how long a regen should last from start to finish?

I notice with mine that every 800-1000kms the instant consumption will jump about 2L over normal. Driving on freeway at 100-105km/h the instant normally reads 6 and jumps to 8-9 and this normally lasts for maybe 5-10kms at most.

Would be nice if the dash actually showed how full the DPF was and when a regen is taking place.
I got a "keep driving regen in progress message" for the first time since putting the initial 7,000 miles on. Was pulling into my driveway so I pulled out and kept driving. It took a full 22 minutes. It felt like an hour driving around, burning fuel. I agree, a simple light showing it is in regen would be good. Us guys love to know when stuff is happening "behind the scenes."
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  #463  
Old 12-02-2014, 03:59 AM
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Had a good chat with our VW/Audi expert mechanic. He has assured me that even a slight overfil of oil will kill a DPF. He had an Audi in with 7000km that was overfilled and had a clogged up DPF. Oil was 1-2mm over the full line. He said its really easy to overfill. Something to do with draining oil and replacing sump plug before you change the oil filter, also not letting it drain for longer than 10min.

This may be the crux of the DPF problems.
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  #464  
Old 12-02-2014, 04:18 AM
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Re: Is DPF issue for 2014 CRD fixed now?

Interesting, the oil sump is different on the MY14 to the earlier diesels too, isn't it?
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  #465  
Old 12-02-2014, 10:07 PM
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Re: Is DPF issue for 2014 CRD fixed now?

This owner over at AJOR has been told they think it is oil level causing the problem, it happened 500kms after an oil change, now they are saying they need to change the oil again and make sure the level is right:
Wk2 with DPF issues - AUSJEEPOFFROAD.COM - AJOR
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  #466  
Old 12-02-2014, 10:27 PM
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Re: Is DPF issue for 2014 CRD fixed now?

Oil level issue is interesting.

Mazda had similar DPF issues with their 2.2L diesel in the new CX5 and as part of the fix I beleive they issued a new oil dip stick with revised fill levels.
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  #467  
Old 12-03-2014, 03:59 AM
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Re: Is DPF issue for 2014 CRD fixed now?

Quote:
Originally Posted by iboughtajeep View Post
Cant see any merit in it. It doesn't explain them going into limp mode before they can even start the regen and therefore able to get hot. In my case, car was cold, I started it in the morning, reversed out the driveway drove about 50m up the road when I got the message to drive at highway speeds, then almost instantly the service throttle, and limp mode. Total running time less than 30sec. Last driven 10 hrs prior.


Mine was cold too. It happened in the garage first start of the day.


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  #468  
Old 12-03-2014, 06:49 AM
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Quote:
Originally Posted by Benn0 View Post
Some info from AJOR on the dpf issue. Not sure if this is legit, but it is interesting:

http://www.ausjeepoffroad.com/forum/...d.php?t=136678
Makes sense, as I've had an oil leak and no DPF issues.
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