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      11-13-2023, 05:54 PM   #12
Tambohamilton
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Drives: E91 330d
Join Date: Apr 2019
Location: Herefordshire

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Quote:
Originally Posted by Tambohamilton View Post
Had a look at things under the bonnet and engine cover today - couldn't find anything out of place.

I think I'll treat it to a tank of premium and see if that cheers it up. Should help clear the dpf, if that is the issue...won't do any harm.
Seems back to normal with a tank of premium diesel. Roughness and hesitation all gone, and has returned 37mpg on this tank which is guess fits with the multiple short journeys I've done on it.

I think I'm blaming a new fuel additive that I was using - claimed to do all of the good things and none of the bad things...but I should have known better because I couldn't find the ingredients anywhere. Back to Millers ecomax once I'm off premium again.
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