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  1. #1
    theo289's Avatar
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    Would you put two stroke in a diesel engine to clean the inside of the engine out?!

    Rather strange as a question but would you put two stroke in diesel fuel to clean out the engine? Reasons why i am asking this questions is that an old friend of mine who has a Ford Mondeo ST Diesel with around 100k miles on did exactly this and said that it improved the car, its MPG and cleaned out the engine! Supposedly this is something commonly done - is it wise? Will i just bugger up the engine?

    Feedback appreciated

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  3. #2
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    I always add 200 ml every 3-4 tanks if I've not used optimax. Has to be red mineral based low ash oil. Not synthetic stuff. Done no harm and hardly smokes at all when using it on my Pd engine
    '02 TDi 130 Sport: Mods to date: BXP 160 conversion, EGR delete, Decat, Helix SMF fast road clutch, 312mm front rotors, full DIS , CC, Xenons.
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  4. #3
    theo289's Avatar
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    Quote Originally Posted by @udi A3 View Post
    I always add 200 ml every 3-4 tanks if I've not used optimax. Has to be red mineral based low ash oil. Not synthetic stuff. Done no harm and hardly smokes at all when using it on my Pd engine
    Okay great! what is the perks of doing it except for smoke?

  5. #4
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    My mechanic use to put £2 of petrol in every like 3 months with a full tank of diesel in his a4 2.5tdi said it helps clean the system and fuel line and injectors ive never done it personally but might be good for the car, i usually use forte diesel treatment
    A3 2.0TDI FWD sportback with GT1756 250.3bhp 336ft lb, forge boost hoses red, milltek decat system, BMC panel filter, golf gti edition 30 full front brakes brembo pads, black honeycomb grill, full oem s line kit + cupra r lip, LED side lights, OEM xenons, LED interior lighting, LED A8 number plate lights, boost gauge, alloy catch can with red hoses, FBSW, windows tinted, de-badged, now on air ride with chassis notch BBS CH

  6. #5
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    i wouldn't bother to be honest no need to add oil to the fuel, it will increase the combustion temperature and may result in damage to the turbo, it is also not designed to run through the tiny holes in the pd injector of which can cause issues and the fact that vw/audi state not to run any additives just regular diesel

  7. #6
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    I do it every 2-3 tankfulls .
    It came highly recommended and also increased the mileage .
    A6 2.5tdi quattro sport triptronic 550miles on a full tank. (long run and about 80 miles around town )
    happy with that
    Absolutley disgusting around town it is
    genuine parts =genuine service
    Treat it right it'll keep you on the road .

 

 

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