...how to care your toyota engine D4D for they safety or damage of Sunction Control Valve(SCV) and Electronic Fuel Injector (EFI)....ist.. do not empty your fuel tank always 1/2 fuel in your tank...2nd.. always drain the fuel on your fuel pump once a week...3rd.. if you change oil ur car can u change also fuel filter ...tnx — with dippo motor chief mechanic ..
