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DPF, what are my options?

Discussion in 'Leon Mk2' started by Rockhopper, Jun 13, 2018.

  1. Rockhopper

    Rockhopper New Member

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    Hi, first time post here, so please be gentle!
    I have a 57 plate Leon FR diesel, owned from new, now 130,000 miles
    The car has had dpf issues nearly all its life, and the dpf was replaced under warranty.
    The car has not been serviced by SEAT for years, although it does get a annual service from a local garage at mot time.
    Recently the dpf has been coming on more frequently, I'm well practiced in getting the car to do a manual regeneration, spirited drive keep revs at 3000, and normally the car will go a few months before coming back on again.
    I'm about to do the 2nd regeneration in 2 weeks, is the dpf knackered, an i heading for a big bill? What are my options?
    Thanks
    RH
     
  2. iNeoTom

    iNeoTom Full Member

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    Have you recently changed were you fill up? Low quality fuel i.e. supermarket fuel, non premium diesel makes my DPF go off without fail i now keep to using Shell V-Power Diesel, BP Ultimate etc...

    iNeoTom
     
  3. Rockhopper

    Rockhopper New Member

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    Haven't changed, car has always been run on a mixture of supermarket and local garage fuel.
    I managed to get the dpf to regenerate last night, but it took a longer run than it used to.
    Does the increased frequently of regeneration and the increased time to regenerate indicate that the dpf is end of life?
    Should i get a Vagcom cable and try manual regeneration?
     
  4. ergrgrtgdrgr

    ergrgrtgdrgr Full Member

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    I had mine do a regen 3 times in 2 weeks you should only be sitting at around 2000rpm and it will kick in. I have had mine in SEAT and they also forced a regen to clear out what was left been fine since, there are companies that wash out a dpf now too take it from both nearest joins and jet it out. I now give my car a good run every weekend and never come back.
     
  5. andycupra

    andycupra status subject to change

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    what's your typical journey? ie do you drive little and often, (short trips)
    what speeds, does the car get up to temperature etc etc.
    Is it remapped?

    However, on a basic level, regenerations becoming more regular and taking longer when they do take place does indicate the DPF is becoming increasingly clogged.
    When it does regenerate, are you always aware? and complete the regeneration?
     
  6. R3k1355

    R3k1355 Senior Member

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    Quite alot of companies around that offer refurbishment services, usually you send them the unit.

    You want to ask why it's clogging more often, have you got any boost leaks or issues with injectors?
    Do you do alot of town/city driving or short journys?
     
  7. Rockhopper

    Rockhopper New Member

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    Thanks for the replys.
    Yes the car does alot of short journey's, i know its not ideal, but my wife uses it for the school run.
    The injectors were subject to a re call from Seat a few years ago.
    I don't know if its connected, but fuel economy is pretty bad, i know its a 2 ltr sporty model, but mpg can be pretty grim at times.
     
  8. R3k1355

    R3k1355 Senior Member

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    Yea sounds like you've been slowly killing it from day one, chances are the DPF, EGR, ASV, inlet manifold and associated pipework are pretty badly sludged up.
    You bought a motorway cruiser when you needed a city-car.

    It might be best to bump it on now before it really breaks and the repair bills get astronomical.
    Don't buy another diesel car, you'll have all the same problems and then some.
     
  9. andycupra

    andycupra status subject to change

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    agreed. Diesel is the wrong car for how you use it. Petrol would be more suitable.
    However, its not like dealers really provide the right advice... but then who wants to be told what to buy...
     
  10. R3k1355

    R3k1355 Senior Member

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    Some do try to steer customers, but it's surprising how arrogant and rude the customers are in response.
     

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