All Things Mk5 > How to Guides / Troubleshooting

diesel particulate filter problems

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tonto83:
This was the main reason I went for the 140 over the 170 as I do a lot of city driving during the week.  Lots of guys over this side of the pond have had the dpf removed and mapped out.  Excellent power gains achieved aswell.  If you can remove your dpf and pass your MOT i'd be taking that bloody thing out as quick as i could.  I've been told a few guys on briskoda have had the dpf removed so maybe you could get some answers over there either.

QD MBE:
Ahh the old DPF issue.

I bought a MK2 Leon 170 TDi, a few years ago.

It was by far the worst car I have ever had.  I tested a 140, and wanted a bit more grunt, so a 170 it was.

I was not told about the DPF, no mention of it from the salesman, I believe as VRSTU alludes to, they have to tell you about the DPF and its suitability to your projected use of the car.

The DPF is not suited to school run usage, it needs to generate the high temps that only frequent long runs will give.

The car had all extras, including the unwanted DPF.  I had major problems with the DPF (tractor sounds, warning lights etc), and I was using it properly, it gave very poor economy (41-42 max if driven like a granny), and eventually I cut my losses and went for an ED30.

Seat didn't want to know, wouldn't even investigate, the car when I sold it had 5k miles on the clock.  so it was still virtually brand new.

PDT:
We no longer bother offering customers a diagnostic or regeneration session on these as the chances are that the DPF will clog again.

We now supply a DPF replacement pipe and DPF software to completely eliminate the DPF sectors in the map, along with a stg2 map these will make 320ft/lb, 215hp and an extra 6-10mpg.

We now supply this as a complete kit along with an ECU programming unit to DIY for mail order.

JosGt:
thanks guys for all the posts (particularly vRStu, and the quote from audi!) very helpful.

i had no idea about DPF issues i had a gt 140 and thought that an extra 30bhp would be nice, job done!

i'll have to sort this out one way or another, or the car will have to go!!

thanks lads for the help!!!

jos

humkar:
HI JosGT,

I was in the same boat as yourself. I got a 170 GT 56 Plate and every week it was on. I had enough and had it removed and remapped. And it was well worth the additional BHP and Torque. WOW is all I can say and in the higher gears it shows the difference between the 170 and 140 BHP cars.

The guys I used were Custom Code. Speak to Sebastian. They do a milltek pipe and the remap and software to disable to DPF errors.

Hope this helps. :)

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