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Originally Posted by Piwoslaw
Good going! Can't wait to see new entries in your fuel log.
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Errr, I'm afraid 2 no-hypermiling trips have brought down my 90-day average quite a bit.
OTOH, doing a trip at 120 kph with a passenger and some extra gear while still beating the NEDC-value by a hair, isn't too bad.
In the past, Hägar would have used at least 10% more fuel.
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Could the higher engine temperatures from the blocked grille have an influence on the larger interval between regens?
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The reduced time spent running with a cold engine (cold=more soot) may have improved things a bit.
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How does the fuel additive work?
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It works much like the regular Eolys regeneration catalyst and also contains Cerium. It lowers the temperature at which soot is burned off.
Main difference is it works permanently (well, until the tank is empty) instead of just during the regen cycle, and that there's no post-injection of diesel and no oil thinning as a result.
They claim it also promotes cleaner combustion, leading to less soot in the first place.
JLM Diesel Particulate Filters Cleaner | Diesel
We'll see wether it helps or not.
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I've read that PSA forbids adding anything to the fuel, but I guess you don't have much to lose at the moment.
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Volvo forbids fuel-additives as well, but the dealership has also put in some unknown additive in June.
Like you said, there's nothing to lose.
If I can get the regen cycle to go up to 400km / 250mls, I'd be happy.