Totally recommend this product. Spray it into the MAF intake with great success. A noticeable difference in cold morning starts and idling. Am confident that the spray removed at least some of the carbon build up on the values. Give it a try before giving your mechanic your hard earned cash.
Verified purchase: Yes | Condition: New
Great product. Very easy to use and you could see results the same day. I'll be using this as a regular part of car maintenance from now on. Highly recommended.
Verified purchase: Yes | Condition: New
Very easy to apply. Just follow instruction carefully. In my experience, it is effective in cleaning gdi intake valve of my Kia Rio 2012 Sli hatch. Im using it every 7500km before change oil.
Verified purchase: Yes | Condition: New
Kia Cerato GT 2020 with 32,000km It was pretty easy to apply, I opened up a vacuum line on the throttle body to spray into, I needed a neighbour to help keep the revs up but the whole process was less than 30 minutes. It seems to have worked well, the slight misfire I had at a cold start is gone. I will be putting a oil catch on in the near future, but I will still do an intake clean every 15,000km. If you have a GDI type engine, you should be using this regularly.
Verified purchase: Yes | Condition: New
One was good to clear the carbon buildup but with 2 i completely cleaned the valves
Verified purchase: Yes | Condition: New
it seems to work, not sure..
Verified purchase: Yes | Condition: New
I use CRC Intake Valve cleaner on my Audi at each service keeps the engine smooth great this supplier stocks this product
Verified purchase: Yes | Condition: New
Reason for purchase Read excellent reviews on this product
Verified purchase: Yes | Condition: New
Cleared the carbon build up on fsi gti without any effort.
Verified purchase: Yes | Condition: New
the best
Verified purchase: Yes | Condition: New
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