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Thread: DPF Removal...

  1. #1
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    Default DPF Removal...

    Is this a possibility?

    One of the reasons I bought my Vectra was because I'd read good reports on how much extra power you can get out of them with a tuning box, and having become accustomed to the same sort of power gains from VW TDIs, it's a must really.

    However, I'm now reading posts on here that suggest it's not a good idea with a DPF in place, and had I known this when I was looking to buy a new car, I might not have bought my Vectra, or I'd at least have looked for something without a DPF.

    So anyway... has anyone else done away with the DPF on their Vectra, either by bypassing the sensor circuits so it doesn't cause for the car to go into limp mode if it senses the DPF is overloaded with soot, or by changing the exhaust for one off of a non-DPF inflicted CDTi?

    I bought a newer car so I'd have less problems... not more
    TIA for any advice.

  2. #2
    Regular Member Gsi3.2's Avatar
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    i'd strongly reccomend you avoid this route.. it's just not practical to do this and the programming involved would be a headache..Then you have the problems with the emissions..you can bet good money that the Soot figures on these cars will be tightly controlled so without the DPF you'll get an instant failure..

    Also, something to bear in mind, removing the DPF isn't just like doing a decat on a vectra B for example..the regeneration cycle aslo ties in with the engine ECU and the turbo's variable vanes..so by removing it you may actually cause more damage than you realise...

    With the advent of the DPF, i fear that the days of big, trouble free gains, from fitting lowspec tuning boxes are numbered..thses days, remaps are the way forward as they often include a DPF cycle that is much more frequent to protect it..these kind of maps are readily avaliable from VXpc (888) or Regal..

  3. #3
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    Ok... I best look into a remap then.

    <makes note to check for DPF etc. before committing to buying any diesels in future>

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