Oh yeah, they work. For a fast clensing, pour the entire bottle into the fuel tanks, or, while changing your fuel filter, fill the filter with Stanadyne or Power Service. Then continue to add to every tank or two. It does make a difference. Tim
i always buy a lubricant/cleaner at the esso truck stop on barlow and peigan (s.e) corner. not the shell. There is one there that has mostly french labeling that sells for around 13 dollars. I think it treats around 3000 litres. I always double the reccomended dose and my ailing old injection pump has survived an extra 75000 klicks from using a lubricant. The one i mentioned seems to work as good as good as stanedyne
i use lucas fuel injection cleaner in my benzs and it does a great job. buy it at mejers $6.89 or auto zone or advanced $8.99. also for lubricant i heard of putting a half quart of transmision oil in fuel tank. a friend of mine has a $250,000 motorhome and he puts is used motor oil in his diesel engine about a quart at a time to 75 gallons of diesel. havn't tried that yet!
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