Carbon build-up in DI engines

Originally Posted by FlyByGTI I think it might have something to do with the way you are supposed to drive a diesel. I believe you are supposed to be driving

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Carbon build-up in DI engines

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07-29-2014, 09:36 AM

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Mitco39

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Quote:

Originally Posted by FlyByGTI

I think it might have something to do with the way you are supposed to drive a diesel. I believe you are supposed to be driving them at high RPMs from the very beginning of their life, which is going to keep the carbon build up to a minimum is done properly

I may be misinformed on that though

You got it backwards. Modern pickup diesels like to run anywhere from 1600rpm to 2200rpm. Most red line or have rev limters around 3500rpm.

Thinking about this after I posted it thought it could have something to do with the higher boost keeping the gunk from sticking. Mind you at cruise a diesel only sits around 2-5PSI.

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