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The Genuine GM 19355198 Upper Engine and Fuel Injector Cleaner is a 32 oz. solution designed to deliver immediate cleaning of engine deposits. With multiple service applications, it effectively cleans in-rail fuel injectors, removes deposits from the engine intake system, and provides piston top soaking clean-up, all while being low VOC compliant.
A**R
Works great
Super strong chemicals. Does the job as advertised.
R**R
Not as good as the prior cleaner.
Dislike efficiency.
Y**Y
Back states not for retail sale needs professional pressurized applicator.
Back states not for retail sale needs professional pressurized applicator.
G**B
Good cleaner but Not a good substitute for the X66P cleaner.
Bought this trying to solve an injector problem in an 02 Duramax as a replacement for the now discontinued AC Delco X66P top engine and injector cleaner. It did improve the color of the smoke, but didn’t resolve the problem. Not a good substitute for the X66P cleaner.
Trustpilot
2 months ago
2 months ago
