Mazda Millenia Spark Plug

Just Put A Used Motor In And Changed The Spark Plugs And It Still Want Crank What Could It Be

There Is A Hesitate At First When Accelerate, Then It Will Take Off As If It Got A Boost.i Am Thinking A Vaccum Line Or Bad Injection....

The Car Turns Over Fine But Acting Out Of Gas I Checked The Following: Firing Order - Good Fuel Pump - Pumping Gas When In Start Mode ...

I Am Not Sure If My Problem Is Related To The Transmission Or Not. I Haven't Had A Tune Up Or Have Replaced The Spark Plugs In A While...