Quote:
Originally Posted by AusKiwi
More recently, I have been testing the Pro-Ma DT5 diesel additive which is more like the consistency of petrol, and contains a fuel system cleaner as well as a surfactant which breaks down any water in the fuel and a combustion modifier to make the fuel burn more completely. Long story short, the engine seems to have more power and I am getting as good as 5.7 litres per 100kms from my Citroen C5 2.0 HDi whereas before it was averaging between 6.5 and 7. I now use a combination of the three additives while I use up the Morey's but probably won't buy that again as the Pro-Ma product seems to make the biggest difference and if I want to boost lubricity a little more, the two stroke is way cheaper than the Morey's product.
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Does your C5 still have DPF cleaner in it's additive tank? If so you're actually using four products simultaneously. I know DPF additives warn against using them with other additives in the same tank.