CRC Emissions Test Advance Formula Fuel System Treatment, 12 oz

CRC 05063 Emissions Test Formula contains powerful detergent additives strong enough to remove harmful carbon and varnish deposits. It cleans the fuel system and emission control components in gas-powered vehicles. Use the guaranteed-to-pass-emissions test formula every 3,000 miles to improve fuel economy, acceleration and reduce emissions. It reduces CO, HC and Nitrogen Oxide emissions and is effective for both tailpipe exhaust analysis and OBD II on-board diagnostics emissions testing methods.