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Rough running diesel and low mpg

Discussion in 'New A3/S3 (8V Chassis)' started by 1.6tdi, Apr 22, 2013.

  1. 1.6tdi
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    1.6tdi New Member

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    [Apr 22, 2013]
    I've had my new A3 1.6tdi sport sportback for a couple of weeks now and am disappointed by how unrefined the engine is. Many reviews mentioned how smooth and refined this engine is but I am finding it much rougher than my previous 2.0tdi. Especially under load or acceleration there is a marked diesel clatter. Anyone else finding this?
    The mpg is not great either. My previous 2.0tdi averaged 54.7mpg over 3 years and 70k miles of mostly motorway driving. At the moment I'm just getting low 50s from my 1.6. I know it will improve as the mileage increases and the engine beds in but it seems a long way from the low 60s I was hoping for when deciding to go for the 1.6 rather than a 2.0.
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  3. miketrix
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    miketrix Member

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    [Apr 22, 2013]
    1.6tdi has less horse power than 2.0tdi, so I guess the 1.6 at high speeds, has to work more than 2.0. It "suffers" more than an 2.0... just a guess...
    #2
  4. Keifling
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    Keifling New Member

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    [Apr 22, 2013]
    I have a 1.6 and i find to to be very refined but was also dissapointed with the mpg. It really seems to have improved now that i have more miles on the clock and the weather is warmer.
    #3
  5. UKPonchoMan
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    UKPonchoMan New Member

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    [Apr 23, 2013]
    It will improve... Mine has just turned 2500 miles and the economy has improved from low 50's to high 50's/low 60's and I've seen almost 70mpg on long runs...

    One thing I have noticed is an irritating rasp under light acceleration though and if it's not used for a couple of days, it runs like a tractor for a few seconds when started!
    #4
  6. 1.6tdi
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    1.6tdi New Member

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    [Apr 23, 2013]
    thanks for the encouragement on the mpg.
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