Repairing a honda city zx 2005 model

i am repairing a honda city zx 2005 model , i had replaced the piston rings, i have completed the engine and when i start the car it runs for just one minute in fine condition but stops after one minute as if the fuel is stopped , i checked the fuel pump ,engine timing , both side wiring , cleaned the injectorbut the car stops after just one minute of starting, think that the fuel is stopped but the fuel supply is ok. could anyone help me out for this situation.