MOREY’S® Upper Cylinder Lubricant & Injector Cleaner when mixed with the fuel at 650:1, dissolves the resins and gums holding the deposits in place.These deposits cause an uneven and incomplete burn in the combustion chamber resulting in sticking rings and accelerated engine wear. Morey’s Upper Cylinder Lubricant & Injector Cleaner (UCL) will not have any negative impact on the oxygen sensor regardless of make or model of the vehicle.
NOT RECOMMENDED FOR USE IN HIGH PERCENTAGE ETHANOL OR METHANOL BASED PRODUCT.