Conklin’s Carb N’ Choke Cleaner quickly penetrates and dissolves dirt, gum, and varnish deposits from the carburetor, throttle body, PCV hoses and valves, choke, and carburetor linkages, while freeing sticky valves and linkages. Dirt, gum, and varnish deposits can cause rough idling, hard starting, engine stalling, and increased emissions – reducing drivability. Carb N’ Choke Cleaner restores efficiency, reduces gasoline usage, and improves performance and drivability by removing unwanted gum and varnish deposits.Professional formula in a handy size

• Quickly penetrates and dissolves dirt, gum and varnish deposits 

• Use on carburetors, throttle bodies, PCV hoses and valves, carburetor and choke linkages

• Safe for oxygen sensors and catalytic converters 

• Leaves no residue