Alan gsd Posted August 3, 2023 Share Posted August 3, 2023 How should a diesel car be driven? Over the years by various 'esperts' I've been told to get the best and a long life from them drive them hard all the time others have said softly softly and still other softly most of the time but give them a good hard drive sometimes to clean the pipes out. So which is right please. Quote Link to comment Share on other sites More sharing options...
Trevor Posted August 3, 2023 Share Posted August 3, 2023 Generally a diesel engine needs to be run hard and they are governed to avoid over-revving so are safe to run fast If the engine is not pushed then the carbon from burnt fuel clogs up injectors, EGR, DPF, inlet manifolds and this reduces performance and costs lots in repairs If the engine is run at low revs then pushed hard in a high gear then this means the engine can usually deliver the power by way of the turbo but also causes the Dual Mass Flywheel (DMF) and clutch to slip, also costing money The trick is to keep the revs high in the appropriate gear until you change up and if cruising on the motorway then fine to change up and lower the revs but at any opportunity to give it a clear out (slip roads are a favourite) 1 Quote Link to comment Share on other sites More sharing options...
Alan gsd Posted August 3, 2023 Author Share Posted August 3, 2023 Thanks Trevor, best answer I've ever had, now I need to remember and do it!! Quote Link to comment Share on other sites More sharing options...
Alan gsd Posted August 4, 2023 Author Share Posted August 4, 2023 What's your view on injection clears you put in the fuel tank, any good?? 1 Quote Link to comment Share on other sites More sharing options...
BAZZER RN 1 Posted August 4, 2023 Share Posted August 4, 2023 Hi Alan Some good advice as usual from Trevor, I also have a Mercedes e320 CD Avantgarde and concur with all the comments Trevor has made and exactly the case when on the Motorway change down the Gears and give it a blast through it seems to do the trick and keeps the Injectors clean which is the main problem sometimes with an erratic diesel engine not running smoothly, and a dose of Fortes Injector Cleaner helps as well BAZZER RN 1 1 1 Quote Link to comment Share on other sites More sharing options...
Alan gsd Posted August 4, 2023 Author Share Posted August 4, 2023 Clears !!! it's Friday .. Cleaners of course, hard to believe I lived in Cambridge!!! Thanks Trevor and Bazzer RN 1 1 Quote Link to comment Share on other sites More sharing options...
Alan gsd Posted August 7, 2023 Author Share Posted August 7, 2023 Gave my CRV a good run yesterday, to blow the cob webs out, did as you guys said, had a few puffs of black smoke and then it was clear and seemed sweeter. Today no black smoke 👏 1 Quote Link to comment Share on other sites More sharing options...
BAZZER RN 1 Posted August 8, 2023 Share Posted August 8, 2023 Your Welcome Alan glad we could help and cleared the problem Cheers BAZZER RN 1 Quote Link to comment Share on other sites More sharing options...
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