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Discussion Starter #1
This is my first post, so sorry if someone has discussed this before


Got my brand new Kia 1.5 CRDi Graphite in May this year for just under £10K

It's no Ferrari, but it's quite nice to drive, if a bit too light on the steering for my liking.

It pulls to the left slightly, but I've noticed that to go straight ahead you have to have the stearing wheel slightly to the right...so it's most likely a tracking problem. Unfortunately, I found out this is not covered under warranty after the first 500 miles/month!

Anyway, the thing that concerns me most is that when I put my foot down, quite a lot of smoke comes out of the exhaust. I thought this was just beacuse the car was new, however, even after 10K+ miles, it's still doing it. It's not very noticeable in the daytime, but you really see it at night when you have a car behind you and you put your foot down!

I noticed in the manual it says something about getting white smoke from the exhaust if the fuel has too high a sulphur content. It says something about a DPM unit? or something like that being damaged if you use high sulphur diesel, but does not explain what it is.

I always use Shell fuel, so the fuel quaility should be good.

Has anyone else noticed this?
 

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Hi M4trundler and welcome, I have had my motor for over a year now, and just covered 12K miles and the diesel is still beding in, with power and MPG improving.

Your may see white smoke from the exhaust if the DPM unit is regenerating?








But if you are only doing short trips and not getting the system up to temperature the DPM system may not have chance to work fully?



Bob.
 

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Discussion Starter #3
I tend not to do short trips. Almost always 90% motorway, average about 200 miles/day.
 

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I have owned 10 diesels of various makes over the last 20 years, you can almost always see the exhaust in headlights behind you, even if you can't see it in daylight. Edited by: deeps
 

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My 58 plate Rio is 2 years old exactly, it has done 33K.


I did have the steering problem when I bought it but the gararge corrected it at the 30K service, it now goes straight when the wheel is straight and no more pulling.



Liek you I do 90% motorway work and about 120 Miles a day.



I love the car but there are a few things I miss compared with my old Vauxhall.



At some point I want a Graphite myself, as ine is only a Rio 2.
 

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both my rio's have smoked when booted at night it just shows up more in the persons headlights behind.


my first one was a 08 which ended up with 45000 miles on in 2 years my current one is a 07 with only 25000 on at the moment, seems to smoke more than the one with higher miles on.
 

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Discussion Starter #7
That's what I get. I'm at 20k miiles now and it seems to have reduced a bit. But put your foot down and it's quite spectacular at night!
 

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I road tested an 07 Rio crdi and an 06 one and the 07 smoked like a chimney and that was during the day. So I took the 06 which has not smoked so far.
 

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Discussion Starter #9
It's been looked at by the main dealer 3 times now and they say there's nothing wrong with it.
 

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my Rio's a 08 with 63k on the clock and it smokes when i boot it too. I dont think its the fuel because its the same when i use cheapo Asda or Shell.


I dont think its there much to worry about as i've had some VAG diesels (Passat andOctavia)and they smoke a lot more.
 

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Discussion Starter #11
I think it's probably fuel too. The ECU must be dumping too much fuel in when you put your foot down. I do wonder if a remap would solve it.
 

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i'm really tempted in getting a remap, but so cant afford the priceses at this time of year :(


As some would say: No smoke, no poke!



I like driving a squid, just not when i'm behind one..
 

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If its kicking out black smoke its usually a cause of over fueling. Why not go to a diesel specialist and see what he says about it.
 

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Discussion Starter #14
It's difficult to tell if it's black, it's most noticable at night in the headlights of the car behind you.


I suppose a diesel specialist is going to want money to do something that should be done under warranty...
 

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Going back to the 07 one I road tested you could see black smoke easily and that was during the day.
All diesels omit a little smoke, after all its an oil your burning. Have you had an emissions check done on it?
 

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Discussion Starter #16
The main dealer has tested it 3 times and says it's ok, so I assume the emissions are ok.








If you look behind you in the day time the smoke looks grey. It mainly comes on hard acceleration as soon as you hit about 2800 rpm. Sometimes you get it when accelerating in 5th from 65mph and you put your foot right down.
Edited by: M4trundler
 
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