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Passive Regen

6804 Views 30 Replies 16 Participants Last post by  chrisg
Hi all, apologies if this has been asked before, I have had my Antara now for a week, (163 SE NAV Black) love the drive. It had 33 miles on clock at start, now done ~ 550. Today I noticed that the Fan was running quite fast after I had stopped the car and switched off, things smelling a bit Hot. Never noticed before and No lights on Dash indicating a Regen, does this sound like a passive regen cycle? No dash indication? Will take for a 15-20 min plus 2000rpm blast tonight.

Regards


Demonise
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Hi Demonwiz and welcome. You have just had your first regen. There are no warning lights until you have a couple of failed regens, Happy motoring.
Edited by: Dilligaf
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Hi Dilligaf,
Many thanks! I thought that would be the case, just the lack of warning lights fooled me. I will still take it for a good run on dual carriageway tonight anyway. Many Thanks.




Demonwiz
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Welcome to the forum and welcome to DPF's and regens.

What you have described is normal and is a regen. You will have these every 500 miles or so but they are nothing to worry about unless you only do short runs and the car doesnt get the chance to warm up properly. What will happen is you will see a light on the dash and if this happens you will need to give it a good motorway run at high revs will sort it out.
Thanks for your replies!,
I guess it's just a case of getting to know the car and the regen cycle (read that it's around the 500 mile mark, wasn't sure if it differed dependant upon driving conditions) and making sure it gets a good regen run when needed. Must admit I love the car already even with the fuel consumption, still better than the BMW 530D, I'mat ~33 mpg at the Mo. Was up to 38 when on a good run so no complaints












Demonwiz
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It's not really a passive regen as the antara isn't capable of doing it passively , it's more of a background regen and perfectly normal . If it fails to background regen after 4 or 5 attempts the DPF light will illuminate on the dashboard then you must take it for a ' spirited drive ' if you ignore this the light will start to flash indicating the filter is full and damage may occur .
Hi folks,

Ive just bought a brand new SE NAV 163, white. Only had it two weeks and love it to bits. Just had a regen at 508 miles, now just over 600 miles and overall mpg is is 34. I have to admit that it becomes a bit obsessive keeping an eye on fuel consumption all the time, but i enjoy driving it so much. Intend towing a caravan therefore will be getting a tow bar fitted soon.

Cheers
Stop worrying about fuel consumption and DPF enjoy your car
Welcome to the forum Drew.

Another Fifer.

Who said the Antara wasnt that common. Around here they are as common as muck.
came out of work tonite and when i started the car up it beeped at me and the regen light in the dash so drove the antara at 3000 + RPM from cupar to glenrothes light still on. on to kirkcaldy the light went off at lochgelly doing my head in . done 4500 miles since new this is the second regen think i need to get used to this regen thingy
kenny said:
came out of work tonite and when i started the car up it beeped  at me and the regen light in the dash so drove the antara at 3000 + RPM from cupar to glenrothes light still on. on to kirkcaldy the light went off at lochgelly    doing my head in . done 4500 miles since new this is the second regen think i need to get used to this regen thingy
If your doing regular runs like you were you shouldn't get DPF light coming on. The regens should take place while your driving. The light will only come on if you have had several failed regens because you have only been doing short runs and it hasn't had time to complete the regen properly or you have a fault so it might be worth getting it checked out.
kenny said:
came out of work tonite and when i started the car up it beeped at me and the regen light in the dash so drove the antara at 3000 + RPM from cupar to glenrothes light still on. on to kirkcaldy the light went off at lochgelly doing my head in . done 4500 miles since new this is the second regen think i need to get used to this regen thingy

Aren't you the lucky one.Only 2 regens in 4500 miles, everyone else is getting them approx.every 500 miles.
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HiMy Antara is booked in this afternoon because the regen light came on....Even though we had a couple of good runs from Bristol to London and Bristol to B'ham the week before.
It started using a whole lot more fuel too.
I talked to the technician at the garage where I got it, and he suggested bringing her in for a quick diag to make sure all is ok. Since booking her in, the light has gone out and the engine is running much smoother. But still taking her in for the quick diag just in case. They can have a look at the outside temp sensor while I'm there too as it says it 23deg at 11:00pm in the middle of December, and -9deg in the middle of summer
They can also have a look at this so called pipe that a lot of Antara's are being called back for too.....
Will let you all know how she gets on. She's booked in for 2:00pm this afternoon


John
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Had a chat with the tech at the garage when he told me my Antara was ok RE-GEN wise...He told me although I had those 2 big trips prior to the light coming on with the bleeps....He said the CAR decides when to go through the re-gen...It got nothing to do with how many milage etc you have done....It depends on the amount of carbon soot that has accumulated in the filter and the sensor in the filter tells the computer to kick in the re-gen. The way it was explained to me makes sense.
As for the fuel pipe recall....Mine was on the waiting list for the recall so I managed to jump to cue and it will be sorted when they install a new sensor for the outside temp thingy that says it 23 deg in the middle of winter ... Also got a full valet for free...Can't complain about that now can we
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Hi johnmeds. The description he gave you, is exactly how a smart DPF system should work on paper. Therefore if you did 500 miles or so at motorway speeds, would be no need for an active regen as exhaust system should be up to temp and burning soot off.

However as we know a lot of the Antaras seem to do a regen every 500 miles approx, regardless of driving style. I know this from personal experience as moved house over 400 miles last year and would finish 400 odd mile journey at motorway speeds only for it to start a regen 2 miles from new house.


Hopefully on next gen they will get it sorted, as they should design it from ground up not add at a later date.
Sorry to jump in on the conversation peeps but got a really
Interesting piece of advice today regarding some testing done
With dpf burn off ... Rang a local tuning garage who have been
Around for 30yrs and he told me that the foot down in 4th/5th gear
Isn't the best way to get exhaust temp up!!!
According to there line tests putting the engine under load
As it's called will increase exhaust temp higher in a shorter time scale
This "load" is achived by selecting 6th at say 40mph then flooring
The accelerator causing the engine to have to work hard to achive the desired
Speed instead of a quick down shift increasing turbo boost and revs
I've not tested this theory yet but will be doing it at next oppotunity

Hope this helps
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All this talk of regens and people moaning about the Antara's regen system, but as far as I can tell no one seems to have had a dpf fail or clog completely, due to the 'intelligent' system that pre warns you that you need to 'force' a regen. Surely it cant be that bad then??????
That is a very good point, interesting to see what the answers are,
I have had my car since new in May 2013 and have only noticed 2 regens I just drive and enjoy my car .
My husband has had his Captiva since new April 2012 has has never noticed a regen he says I would not know what to look for, he is the same as me and just drives it.
Good point Phil and as far as I know I haven't read of anyone having to get one replaced on an Antara yet.
Phil S said:
All this talk of regens and people moaning about the Antara's regen system, but as far as I can tell no one seems to have had a dpf fail or clog completely, due to the 'intelligent' system that pre warns you that you need to 'force' a regen. Surely it cant be that bad then??????

The only genuine faults on the DPF system I am aware of is a few people needing to get one of the exhaust gas pressure sensors replaced.

Assuming no faults, the Antara DPF system works fine. You get plenty of warning if the filter is becomming full, and you would be a total idiot if you ignored these warnings and failed to carry out the recommended cleaning procedure.
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