Quote:
Originally Posted by Mikendebbie
I gotta ask a dumb question. How come the diesel engine designers and manufacturers, and the petroleum refiners have not figured out that these engines need more lubricity for the high pressure fuel pump to operate more efficiently? I’m not disputing that additives may add good stuff for the engine…I just wonder. I used diesel kleen in my two previous Chevys just because. Haven’t used anything in this one yet.
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I doubt it matters much if you do or don't use a lubricity additive unless you intend to keep your vehicle for hundreds of thousands of miles. My last Duramax is way out almost to 500,000 miles on the original fuel pump and my current one is pushing past 320,000 miles. We use it in our eighteen wheelers for the same reason and we run a huge number of miles with no fuel pump issues.
I should also mention that we have virtually no starting issues in cold weather because the fuel does not jell when treated Power Service. No I don't sell it, I just use it.