Motorcraft carbon cleaner

You mean the cylinder? Why would there be carbon out side the cylinder? Any how pouring any liquid into the cylinder has the potential to risk damaging the motor. I would never recommend.


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As much as i dislike GM products, their top engine cleaner works wonders and is easily available. I give the ecoboost motors a whiff of it mixed with seafoam every 2nd oil change. Keeps the deposits down. I actually had a farm fleet bring me their vehicles after they were tired of the dealer giving them the runaround about a cold start misfire in their trucks.

gm part 88861803. available at any good parts retailer or gm dealership. run 2 oz mixed with a can of seafoam ever 12-15K on a direct injected engine. I suck it through the vacuum port right behind the throttle body on my SHO. Do this on a hot engine, shut it down after sucking it through slowly. let it sit for 15 min and take it for a blast.
 
I read that FORD is not using any clearer because all of them that clean the vales burn out the TURBOs !!!!!!!!!!!!!!
 
Ford offered me an induction service on my SHO when i had it in there for warrenty work. Guy was telling me about how GDI engines build carbon. I just showed him a pic of the same car getting a injected BG service. Not what they do but does the same task.
 
I've done the Seafoam on lots of other cars I've owned with good results however I've been afraid to try it on the Ecoboost.  The pics of those broken piston crowns from 'injesting' what may be lurking in our intercoolers...  How do you moderate the flow of Seafoam/GM into the manifold Itsa?  Do you se a really small hose in the can or?
 
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