CRC GUARANTEED TO PASS reduces emissions and improves performance in one tankful! Pass your emissions test or get double your money back! CRC GUARANTEED TO PASS removes harmful gums and varnish from carburetor and emission control components. Reduces CO, HC and NOx 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 MPG, promote easier starts, faster acceleration and better airflow. Contains the maximum allowable cleaning chemistry for superior results. Use year-round as a fuel system cleaner for optimal performance. Recommended every 3,000 miles. Works with all gasoline and ethanol-blended fuels.

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