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Old 07-09-2008, 10:12 AM   #23 (permalink)
Shawn D.
Harebrained Idea Skeptic
 
Join Date: Jun 2008
Location: Alpharetta, GA
Posts: 211

The White Car - '84 Mercedes-Benz 300td
90 day: 28.84 mpg (US)

The Blue Car - '86 BMW 535i
Last 3: 23.86 mpg (US)
Thanks: 19
Thanked 13 Times in 9 Posts
For older diesels like my 300td, regular use of Diesel Kleen makes a noticeable difference in running and protects the injector pump from the ravages of ULSD. The problem is keeping it in the car and on hand for when I fill up -- it's nasty stuff and the smell permeates the cabin through the bottle!

Quote:
Originally Posted by tasdrouille View Post
Running a bottle of Diesel Purge straight at the fuel filter really helps cleaning the injectors nozzles.
That stuff really does work well -- just don't do it where the massive smoke will be a problem!
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