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Cat Equipped Cars Failing Emission Tests
The ProblemFailure of the MOT Emissions Test by catalytic converter equipped vehicles; typically, low mileage, regularly serviced and well-maintained models.
CauseAside from physical damage or poisoning of the cat through accidental use of leaded fuel, failure is commonly attributable to contamination of the fuel delivery system. As well as producing an inefficient combustion process, this will promote contamination of the Lambda sensor - causing false readings to be relayed to the engine management system and further increasing emissions.
CureA three part solution, combining Forté fuel and oil treatments, is recommended in order to overcome contamination caused by the combustion process. In addition to dissolving unwanted contaminants, Forté Fuel System Cleaner and Gas Treatment clean and free injectors, valve guides and the upper cylinder area.
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