I have a 2001 nissan maxima and it want crank at all it was cranking but took 10 to 20 tries and would fire up but stop cranking so i replaced crankshaft senor camshaft senors spark plugs fuel pump only thing i have not change coil pack i really need it back running i seen pep post that nissan maxima timming is bullet proof i hope it not that plz help me someone

 

Homeboy might need A starter

 

Remember, air, fuel, and spark are needed to start the engine.
Dude, I would start diagnosing from the top and flow down.
If it won't crank, then it's either battery, ignition, or starter.
Check these first. Then move to cam and crank sensors, and ignition coils.