The fast acting Pre-MOT treatment reduces exhaust emissions and soot and black smoke.
Wynn’s Pre-Emission Test Treatment has been specially developed to reduce exhaust smoke and help your vehicle pass the strict new MOT Emission Test.
Improves combustion, engine performance and fuel economy; For all diesel engines, including common rail and pump injector engines.
Cleans the entire fuel system including Diesel Oxidation Catalyst and Diesel Particulate Filter; Cleans injectors restoring injector spray pattern.
Compatible with all diesel system components including catalytic converters, Diesel Particulate Filters and SCR systems