Maf Cleaner. Specially formulated to clean gums and varnish from throttle bodies on fuel-injected vehicles. Able to dissolve residue & deposits instantly and improves performance, eliminates hesitation and rough idling. Recommended Applications: Quickly cleans and removes varnish, gum, carbon, oil oxides, tar and others deposit build-up on throttle body. Includes: Improves throttle body performance by dissolving the deposits. Cleans automatic choke. Cleans PCV valves. Cleans heat risers. *By request/order.