Fortron Injection and Aircon Treatments

Hi,

Anyone had problems with as a consequence on having these treatments carried out???

Had my 57 plate Freelander 2 GS serviced last month, 4th one, garage were offering a deal on Fortron Fuel and Aircon treatments. Had them done thinking everything would be more efficient and I might get an extra half a mile per gallon, however now suffering poor mpg since and aircon not working as well. Anyone had similar issues?

Thanks
Tony