With our BG Via inlet clean carried out today a Vauxhall Corsa 1.3cdti with know issues for carbon deposits blocking the egr system was restored back to full working order…the BG system cleans fuel injectors, cleans throttle body, cleans and plenum and intake, cleans intake valves and ports, also removes combustion chamber deposits and corrects balance of fuel and air in system, which gives lower emmisions, restores horsepower and fuel efficiency… Works on deisel and petrol engines alike..