Talking exclusively about bottled additives specifically designed for diesel engines, not other possible additives/mixtures.
Normally I don't. I tried Chemtech's Diesel Power and found no difference between using it and not.
When my engine starts "hunting" at idle (regular minor surging) I'll throw a bottle of Liqui Moly Fuel System Treatment in (about $25 at SCA). Fixes the problem within 100-200km of driving.
I use Wynn's EDT every tank refill. The fuel Quality here in Central Qld is poor to say the least. EDT kills off Algae, separates the water from the diesel, boosts the Cetane rating and is an injector cleaner to boot.
I have been informed, by a CRD specialist, that Fuel Doctor also offer a very good product.
thats not a bad idea there, not sure how big the liquid moly can is but if it holds approx the same volume of liquid as the fuel filter it would be great when changing the fuel filter just fill it up and screw it on and thats it ready to purge.Wonder how you'd go crimping the fuel lines, undoing the filter, filling it up with the purge stuff, put it back on and running it that way? Sounds like good stuff but not keen on the possibility of it running dry using the container method.
thats not a bad idea there, not sure how big the liquid moly can is but if it holds approx the same volume of liquid as the fuel filter it would be great when changing the fuel filter just fill it up and screw it on and thats it ready to purge.
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