Tony673 Posted October 30, 2019 Share Posted October 30, 2019 Hi, As the topic says, which diesel is best for my Mondeo and why? At the pumps I have a choice of normal diesel or super diesel (the name varies from brand to brand), so is there any benefit in choosing the super over the normal. Quote Link to comment Share on other sites More sharing options...
Tony673 Posted October 30, 2019 Author Share Posted October 30, 2019 Just done what I should have done first - Googled for an answer. It looks like a few tanks of premium/super diesel may help in giving the system a clean-out and possibly improve performance and economy. 1 Quote Link to comment Share on other sites More sharing options...
nicam49 Posted October 30, 2019 Share Posted October 30, 2019 I always treat my old Mondy 310k miles and counting, to the super stuff, and where I have to use supermarket fuel, I add a shot of Millers. Even more important now that the mot rules on the smoke test is tighter. 1 Quote Link to comment Share on other sites More sharing options...
Tony673 Posted November 1, 2019 Author Share Posted November 1, 2019 Having read up on Google about the properties of the different fuel types I have decided that I will switch to premium diesel if only to help preserve the engine. Quote Link to comment Share on other sites More sharing options...
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