This stuff is great. Depending on how many miles you have on your car/truck and if you have ever Done a cleaning like this be ready for a lot of smoke to come out of the tailpipe. It was funny when I did it I turn the engine back on and went to drive in at first nothing was coming out and then all the sudden I felt like the car burped and a huge plume of smoke came out for about 20 seconds. I did it a second time a fuel oil changes later and it was much cleaner almost no smoke. Make sure to do it right before an oil change so you can drain out all the crud you knocked loose with the power foam.
I have a 2003 GMC Envoy with 198k miles on it. I love this vehicle! Lately it's been slugging and losing gas mileage. When I first start it the RPM's immediately go to 1800 or so. I had a friend help me take everything apart. He sprayed while I kept the car running. We then shut it off and let everything sit for 25 minutes. Started it back up with relative ease. The cloud of funk that came out was unbelievable! My sisters car was parked 15 feet away and it disappeared completely from view. It runs better now! Still has some issues unrelated to the cleaning, but WOW!
Yes, I would recommend this to a friend.
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