Car won't crank won't start?

if it wont turn over 1st check the ground s on the car and the battery 1st. your battery can be fully charged and the car will not start even over night this can happen. then look at the starter. Note: if you have over 109K on the car and the timing belt has never been replaced you will need to have this checked as well.

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Do you have a good spark at the plugs?

Im dealing with a similar situation. But have found that I have no spark. By opening the end of the air intake and giving a little squirt of starter fluid and no start. Opened access to FP and pulled a hose. No fuel. So no fuel no spark. reading lots and lots of forums I have come to the conclusion it is either the Cam or the Crank sensor. The crank sensor is easier to get to and cheaper. I am going to check that first.

To me it sounds like your not getting fuel and the buzzing you are hearing is your electric fuel pump.

Is there a check engine light on? Did car crank with old battery or you just replaced to see if would start?

not sure what you said but.
seems the battery is discharging,? 12.6v is fully charged,
own a voltmeter?
try a good loaned battery , does it start the car,?
i think you meant?
i can jumper cable start my car at any time. (off another running car)
but after running my car, the battery discharges and it will not crank at all. right?
this means ,the charging system on your car is bad.
if the starter cranks great, then the engine is flooded or is in great need of a tune up (sparkplugs etc)
if flooded try the super secret in the op guide, crank with throttle wide open , this magic trick cuts all fuel injection allowing the flooding
to purge away, and eventual starting.
my guess 2 is the car wont start, so you crank the battery flat
you jumper start it and it runs. (luck)
then day 2, same deal cranks ok but wont start.. ever tune up the engine?

CHECK THE FUEL PRESSURE REGULATOR BY REMOVING VACUUM LINE AND LOOK FOR FUEL.

have someone check the fuel pump relay ,what type of car is it

Check the fuel pressure and fuel regulator. You can have fuel, but not enough pressure to push threw the injectors.

if it does not crank then you might need a starter, if it does crank the you have to check to see if you have fuel pressure