-Tested on my Fiat Siena 1.7 D.
-It's safe and eficient, no risk to damage the engine,just do what i
did in this video.
-Your engine will run smoother and healthier.
-you can do it every 5 or 6 mounths , especially when you have an
old big millage engine .
-Thumbs up if you find that the video was helpful .
New video here: Same car same Engine,same decarbonization Method :
[ Ссылка ]

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