Technical Chemical 4721 Johnsen's Mass Air Flow Sensor Cleaner

Technical Chemical 4721 is a professional-grade mass air flow sensor cleaner designed to restore optimal engine performance and fuel economy. This specialized cleaner effectively dissolves grease, removes dirt, and eliminates flux buildup from delicate MAF sensor components without causing damage.

Key Features:

• Fast-acting formula quickly cleans and dries MAF sensors
• Safe for plastics and sensitive electronic components
• Leaves no residue after application
• Helps restore proper air-fuel mixture readings
• Improves throttle response and engine performance
• Can help improve fuel economy by ensuring accurate sensor readings

Mass air flow sensors are critical components that measure the amount of air entering the engine, allowing the ECU to calculate the proper fuel delivery. Contaminated MAF sensors can cause rough idle, hesitation, poor acceleration, and reduced fuel efficiency. Regular cleaning with this specialized formula helps maintain sensor accuracy and overall engine performance.