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143 Tdi DPF Re-gen

Discussion in 'Audi S4/A4/A4 Cab (B8 Chassis)' started by gaz j, Jan 25, 2012.

  1. gaz j
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    gaz j Member

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    Has anyone done the re-gen cycle on there motor? And has the mpg improved after it? Im going to do it once i get time at the weekend. Also when do you know if its done or not? Is there a bang or puff off black smoke out the back?
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  2. johnnythepie
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    johnnythepie Active Member

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    ive done it a ew times cos im too tight to take the dpf off.no improvement in mpg, but becomes a little sharper.Smells like burnt bakelite.when its too bad, a light pops on the dashboard
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  3. tanz1978
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    tanz1978 New Member

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    How do you force it to happen? I thought it just did it when it needed to when the engine was hot enough (ie long motorway journey at 80!)?
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  4. johnnythepie
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    johnnythepie Active Member

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