I'm planning to do a dpf filter removal and remap.   I'm planning to do the job in two parts.   First remove the filter, weld and refit the box and then secondly take it to a specialist for remap.

 

I've had a look underneath the car with my mechanic mate, who hasn't done this job before on a 2010 Superb.   It looks like it may be difficult to remove the exhaust without removing/dropping other parts.

 

My question is this.   Is the front exhaust section with the dpf, easily removed or is it necessary to drop the steering rack or anti roll bar?

 

Hopefully someone has done this before and can give me the benefit of their experience.

 

Thanks in advance

How long until the remap, as the car will go in to limp mod until mapped out

Perhaps as much as a week, between filter removal and remap, but I could tighten up on that time gap.   Will it go into limp mode straight away or is it the case that limp modes comes in after 500 miles or so?

Straight away I should think as the ECU will get weird readings from the sensors before and after the dpf.

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Should be almost instant

Thanks for the replies.

 

I take it that suggests getting the remap done first, and remove the filter secondly?   The remap specialist is about 100 miles away.   I'm located in rural Ireland.

If you look on the bay of e, there are people doing removal and remap for decent prices now. Same day service.

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Does the removal of the filter invalidate any warranty and cause problems when getting an M.O.T ?

The latest mot has to look for the DPF but there's the trick they can only look for the case not its content obviously, as long as the car passes the emissions test!

Does the removal of the filter invalidate any warranty and cause problems when getting an M.O.T ?

Yes you'll have issues with warranty relating to engine issues, and come trade in as dealers are specifically looking for DPF, EGR and cat removals.

I didn't think any 1.9 Skoda had a DPF? I'm going to guess that's not correct, then. Or was it added as an option when new?

Only the Superb Greenline 1.9 has a dpf, all other variants don't (in the UK).

Edited 23 February, 201412 yr by CombatWombat

The car is a 2010 1.9tdi greenline.   Yes it definitely has a DPF.   The 3 year warranty has passed

 

I'm planning to run it on bio diesel.   That's why I propose to remove the dpf filter.  

 

Running on bio diesel, enables it to pass the MOT (NCT in Ireland) without any difficulty, as the particulate matter (for which the DPF is installed and designed to reduce) is much reduced by burning bio diesel.  

 

I plan to remove the filter and leave the filter case and original pipe in place.

 

Thanks for all the contributions, particularly the limp mode advice.   However, back to my original question.   Has anyone experience of removing this front section of the exhaust and is it a particularly difficult task?

 

I appreciate that what I am proposing to do, is outside risk boundaries for some other people, so I am not advocating this to anyone else.   I'm just looking for the benefit of advice based on previous experience, all of which both positive and negative is welcomed.

 

Thanks in anticipation of replies

I thought 100% biodiesel was a very bad idea on a pd or cr TDI.

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As above, from this year a car will fail its mot if the dpf has been removed or there is signs of tampering.

Not neccessarily...

 

http://www.briskoda.net/forums/topic/297243-dpf-removal-check-to-be-part-of-uk-mot-test-from-february-2014/page-1?hl=+dpf +removal