Fab

Hi everyone ! I got a MA9 with only 27 000 kms , but i have starting issue.. So when i turn the key i hear the fuel pump noise . The battery is good , recently i had my injectors cleaned with ultrasound. so when i try to start , i hear the starter making turn the engine but i hear no explosion . When the explosion happen after a few seconds , the engine will start and stall immediately .. Thank you for your help, i'll send more info if needed!