Maf Sensor Cleaner - 1755087. Rev up your engine’s performance. CRC Mass Air Flow Cleaner was the first item on the market specially formulated to clean your car’s mass air flow (MAF) sensor. This innovative cleaner is your ticket to unlocking increased horsepower, improved fuel efficiency, and overall improved engine performance. Experience the difference with CRC Mass Air Flow Cleaner and give your car the boost it deserves. Elevate your driving experience today! Plastic Safe: It won’t damage or degrade any plastic parts Dries Rapidly: Allowing you to get back on the road without delay Leaves No Residue: No interference with your sensor’s performance Increases Horsepower: Gain an impressive 4 to 10 horsepower Removes harmful contaminants from sensing areas which helps your engine run smoother Improves MPG: Save money at the pump and enjoy longer drives