1995 Mazda Protege Q&A

1995 Mazda Protege Question: Engine turns over but will not start unless u hold the gas,

changed filter screen on fuel pump,new fuel filter,new distributor cap and rotor,new wires and plugs,at my wits end also voltage regulator replaced,please help -
Answer 1
Clean the mass airflow sensor. -
Comment 1
Thank U so much,is this the only thing that could cause it to act like this. -