hello i have a 91 toyota pickup v6 i have problems starting it until i press the gas pedal after a few tries, i was trying to clean the inside of my maf sensor the other day and i don't know if i broke something, i also detected a strong fuel smell and when i took the hose attached to the intake it had some gas on it as well as the body itself and the rest of the intake hoses ,also my spark plugs have black deposits on it .CAN ANYONE HELP thanks