Abstract
This report presents experimental results obtained bench test on an 1800cc LPG automobile, fitted with ECM (Electronic Control Module) of fuel supplying and control system. The comparison studies were made with non-ECMequipped in terms of performances and emission characteristics. CVS -75 emission tests were conducted in order to meet emission regulations. Fuel supplying and control system of LPG automobiles consists of vaporizer, mixer, and ECM
(electronic control module).