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30-07-2023
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MonsterMoose
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Join Date: Nov 2003
Location: Brisbane, Southside
Age: 52
Posts: 10,539 What Jeep do I drive?: WK2
Likes: 369
Liked 1,110 Times in 691 Posts
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DPF regen
Hi all,
I am new to the whole diesel thing having always owned petrol cars until now but we recently bought a '14 Overland and was wanting to find out more about the operation of the DPF regen, things like how do I tell when it does it?
Does it do it automaticall?
How often should it occur?
The car has only done 74000kms and the inside of the tailpipes look brand new....
TIA...
__________________
JJ
Do it once, Do it right!
2014 WK2 Overland
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30-07-2023
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Rock Munki
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Join Date: Aug 2022
Location: West Coast SA
Posts: 2,383 What Jeep do I drive?: WK
Likes: 2,155
Liked 1,311 Times in 753 Posts
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Regens are done automatically.....those on here with scan tools will be able to give you all the info your after....welcome to the forum.....ENJOY !
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WK2 MY13 CRD LIMITED
Only dumb people think their smart...rest of us learn everyday
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31-07-2023
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MonsterMoose
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Join Date: Apr 2005
Location: QLD
Age: 70
Posts: 8,851 What Jeep do I drive?: WK2
Likes: 4,397
Liked 3,929 Times in 2,319 Posts
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Yep, it happens on its own, if you do more than drive to local shops it will all happen without any drama, its the short little trips, lots of idling that clog things up and give you grief........... depending on driving a burn can happen from 80 to 300 kms, temps in the Oven are around 600c so don't park in long grass ever, that applies for all cars with DPFs, use of the wrong oil can cause problems, at the moment a 5W40 diesel oil of CJ4/CK4/C3/E9 is the current spec to keep bearings and DPF happy, full syn or semi syn isn't an issue so long as it meets the specs and some oil sites refer to the wrong grade, the spec is the important bit.
The burn is automatic and is activated when the Oven is at a certain level of crud, ideally a weekly highway run above 80kph of over 30 mins will achieve a good burn, no need to have high revs or hold it down a gear as the burn takes place in the oven by either extra fuel dumped into the system so it ignites in the oven or on a good long run it will complete a burn without needing the extra fuel..........
If everything is working properly you won't know its happening, the engine temps stay normal, if your looking the fuel rate may increase for a short period ....... I look at the data sometimes with Alpha OBD
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2015 WK2 CRD Laredo( ZG, WG 2.7 )
Your Never Too Old To Learn Something Stupid.
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31-07-2023
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Grumpy Old XJ Dsl Owner
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Join Date: Jan 2011
Location: Northern Victoria
Posts: 13,839 What Jeep do I drive?: XJ
Likes: 4,611
Liked 6,577 Times in 4,355 Posts
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Quote:
Originally Posted by FARWEST
Regens are done automatically.....those on here with scan tools will be able to give you all the info your after....welcome to the forum.....ENJOY !
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Hey FARWEST, JJ has been on AJOR for nearly 20 years longer than you. He needs no welcome!!
Maybe welcome back? He did venture to the dark side & had something non jeep for a while! But he never really left. Bit like "Hotel California" ~ "you can checkout but never leave"!
He is a member of the 10,000 posts club!
__________________
98&01XJVMs,06&07KJCRD's,No longer question authority,I annoy it.More effect,less effort.10000Club
Last edited by layback40; 31-07-2023 at 10:10 AM.
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31-07-2023
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Rock Munki
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Join Date: Aug 2022
Location: West Coast SA
Posts: 2,383 What Jeep do I drive?: WK
Likes: 2,155
Liked 1,311 Times in 753 Posts
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My heart felt sorrow for his venture to 'the darkside'....may peace joy and jeepfulness fill your soul with rejuvenated pleasure....sorry for not reading your tag at the top of the post....Sunday night coldies....I completely understand if my excuse isnt accepted....ENJOY
__________________
WK2 MY13 CRD LIMITED
Only dumb people think their smart...rest of us learn everyday
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31-07-2023
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MonsterMoose
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Join Date: Apr 2005
Location: QLD
Age: 70
Posts: 8,851 What Jeep do I drive?: WK2
Likes: 4,397
Liked 3,929 Times in 2,319 Posts
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__________________
2015 WK2 CRD Laredo( ZG, WG 2.7 )
Your Never Too Old To Learn Something Stupid.
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31-07-2023
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Rock Munki
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Join Date: Aug 2022
Location: West Coast SA
Posts: 2,383 What Jeep do I drive?: WK
Likes: 2,155
Liked 1,311 Times in 753 Posts
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I will never claim to have enough knowledge of these technological marvels....only have some spanner skill which doesnt fix much on these 'module controlled' masterpieces.
As a sideline Drover....still havnt had to open that wsm disc you sent me just after purchase....should never tempt the 'cosmos' but fingers are definitely crossed.
On another recent thread from brother Grippy my research pre-purchase didnt relay the inbiult factory 'bastardry' involved in an intake clean on pre'14 models....oh dear
__________________
WK2 MY13 CRD LIMITED
Only dumb people think their smart...rest of us learn everyday
Last edited by FARWEST; 31-07-2023 at 01:49 PM.
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lots of X spurters on numerous subjects.