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That damned DPF...

dpf

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16 replies to this topic

#11 Glenn_

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Posted 28 March 2020 - 09:40 PM

Is it smoke or just a cloud of burnt soot? Mine chucks out a good cloud of soot especially when driving slow (in traffic) during a regen


Mine does exactly the same. It starts from about 1500 rpm and can smoke up till about 3000/3500rpm. No lights on the dash and the car drives fine.

#12 SteveyG

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Posted 31 March 2020 - 10:03 AM

Mine's always just done a little puff of smoke when it starts the regen and then nothing further.



#13 Glenn_

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Posted 04 April 2020 - 08:41 AM

All I've been doing now is when I know the car is doing a regen( the led on dash lights up) I put the car in a high gear to get the revs up and wait for (what I think) the regen(led to go out) to finish.

#14 riikomi

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Posted 04 April 2020 - 09:09 AM

^My car is equipped with the 'old' regen system which takes place via post injecting fuel into the cylinders.

 

If I drive on a highway in 6th gear, the regen takes five minutes. If I engage 3rd or 4th gear at the onset of the regen, then it finishes in roughly 3.5 min.



#15 ST56

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Posted 04 April 2020 - 10:24 AM

All I've been doing now is when I know the car is doing a regen( the led on dash lights up) I put the car in a high gear to get the revs up and wait for (what I think) the regen(led to go out) to finish.

 

Hi
 

Doesn't a low gear get the revs up?

 

Peter


MK5 Mondeo 5 Door Hatch 210PS Titanium X Full Bodykit on 19" Y-Spoke Wheels.
Previously Mondeo MK3 2.2 ST Tdci. (ST56MON).

Previously Mondeo MK2 ST200.

Previously Sierra XR4x4.

Previously Escort XR3i, Capri, Sierra, Escorts RS2000, RS1600, Mexico & 1300GT.
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#16 SteveyG

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Posted 06 April 2020 - 06:17 AM

All I've been doing now is when I know the car is doing a regen( the led on dash lights up) I put the car in a high gear to get the revs up and wait for (what I think) the regen(led to go out) to finish.

 

It really shouldn't matter. Active regen requires no input from the engine other than airflow.



#17 Glenn_

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Posted 10 April 2020 - 08:05 PM

One thing I have noticed is I would say at least 1 or 2 times a month my service oil light used to come on. But the last 2 months when my car needs a regen I've been driving in 3rd( around town).

The thing what still passes me off is it smokes still when doing a regen and driving the car normal.





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