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Valve Carbon Cleaning you WILL need it done

5K views 7 replies 5 participants last post by  jiffyjetta 
#1 · (Edited)
It's not a matter of if....it's you WILL need to do it. It will probably solve about 10 posts on this page alone.

Dirty hoe



Clean bitch



Also, a chemical scrape will not last as long as a walnut media blast. This is actually my second cleaning. The chemical scrape....done first, only lasted 45,000 miles
 
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#2 ·
Good pictures, and we were lucky because my wife's GTI didn't need it until 160k miles. Next VW we own I will invest in the equipment and do it myself. Not worth paying someone what the going rate is when it's really pretty easy. Do you have a full write-up? I think a lot of people would like to see a step by step or at least major step by major step. I bet it drives and idles 1000x better!

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#4 ·
I have recently used the chemical method via CRC GDI Intake Valve Cleaner. I'm sure it doesn't clean it as well as the physical method, but it's only $20 and it has fixed 98% the rough cold idling/misfire in the morning. That is the only symptom I have after 77K miles.

I plan on doing it with ever oil change from now on. If you do it often enough, it will get as clean as the physical method. There's a guy on Youtube "nates interactive" who tests out many intake cleaners on GDI engines. His intake valves are now super clean compared to when he started.
 
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