Pass your emissions test or double your money back! CRC Guaranteed to Pass® removes harmful gums and varnish from carburetor and emission control components. Reduces carbon monoxide, hydrocarbon and nitrous oxide emissions to guarantee a passing emissions test and reduces the need for expensive high octane fuel. Super-cleans fuel injectors, intake valves and combustion chamber to increase mileage, promote easier starts, faster acceleration and better airflow. Maximum allowable cleaning chemistry for superior results. Use year-round as a fuel system cleaner for optimum performance. Recommended every 3,000 Miles. Works with all gasoline and ethanol-blended fuels.
