Gumout540028 Foaming Intake Valve & Turbo Cleaner, 11 oz

I used to use CRC GDI intake cleaner. Then I tried the expensive STP cleaner with the automatic timed dispenser. I decided to keep the dispenser and see if any other product cans fit. Low and behold...I found that the Lucas Deep Clean GDI cleaner fit on the dispenser while the CRC can did not. Then the Lucas started becoming hard to find and the price went up. I tried this Gumout foaming cleaner and the can actually fits the dispenser! Gave it a shot yesterday. I have rigged a means of connecting the tube to the brake booster hose with an air hose plug. I advise doing on a windy day as this stuff blows out a ton of white smoke that smells as you'd expect. Calm evening so the stuff lingered a bit. I became concerned neighbors would be alarmed. But the can dispensed fully in a shorter amount of time than other cleaners. It immediately set off some codes which I cleared and they haven't returned. I took a good vigorous drive after the treatment and codes never returned. Instructions don't say to turn off car and let sit... just says to idle car for 5 minutes then take a 15 mile drive. I've tried the Mopar foaming cleaner once and I see Amsoil has their Power Foam cleaner which is around $13 a can plus shipping which is probably about $8 under $100. So this Gumout stuff is a good deal and car is predictably more responsive and idles more smoothly, similar to other dedicated cleaners and seafoam I've used in the past. I do prefer the foam vs. liquid as I believe it may do a better job of contacting the surfaces that need cleaning.

Usual cleaners are more like acetone and dry off very quickly.This one has the slickness comparable to WD-40 and smells like a bit of diesel.That helps in clinging on the carbon deposits ; loosening them ; for easy blast off later with the same spray or other brand cleaner. Overall good product.But not as foamy as one might expect

I bought this for My 2018 Kia Soul with the 2.0 GDI engine. It has 340,000 miles and it idles a bit rough and I am assuming it's the intake valves being gunked up. I saw a guy on a video saying if your intake valves are really gunked up then they'll need a hand scraping or something like walnut blasting. I tried this STP cleaner anyways and it did not work for my car, how ever I believe these products are for low Mileage engine maintenance to prevent the carbon build up from getting really bad.

Bought 2 cans. The first can came with a broken spray nozzle, unusable. The second can would not dispense anything at all. Only buy this product if you don't want to use it.

This is the second attempt to free up a stuck turbo on a 2006 Silverado the first attempt helped the second attempt has been awesome I will respray with the gum out here shortly and I am confident that I will not have to spend $4000 on a new turbo I am 100% please with this product 😊😊😊😊

Worked pretty good on my Expedition. Seemed to help clean the intake, getting slightly better milage now.

Used this to clean the intake valves of an Audi 2.0 liter TFSI. This stuff is amazing! One can was more than enough to turn all the carbon to goo.

Don’t know how much this cleaned carbon from the intake manifold and intake valve because I am not taking apart my engine to see the results. I can say that the plastic tube fit into the intake well but did not fit very firmly into the spraycan. Can activation was not positive. Lever is sloppy and cheap.