I tried to reset throttle body with key. No luck any suggestions

 

Check battery voltage , also check to see if the plugs are fauled with fuel.
Did you check for spark?

 

Anything change before this or signs it wouldn't start before?

 

The car sat for a few weeks and battery is weak. Put battery pack on. No luck

 

fuel pump ? when you turn the ignition on listen near the gas tank try and see if you can hear the fuel pump prime . have some one else turn the ignition while you listen . check fuel pump fuse ? infact check all of them . if its cranking your battery is prob fine the problem seems to be fuel delivery, spark or security. i doubt you have changed your key . if the key was chipped. the car wouldnt be sensing the chipped key and the security system wouldnt send fuel to the motor. are you using a different key maybe. ? if not i would check the ignition system next test the wires and the spark plugs make sure nothing is going on with them check to make sure you are actually getting spark out of the plugs when you crank the car if that is all well. check fuses. all of them in the dash and under the hood. if those are all good then listen for the pump if you hear the pump prime check the fuel filter it could be clogged . have you done anything to the car recently or before the car sat ? also i know this sounds dumb but it happend with my motorcycle . audis are very sensitive to gas octane levels and when gas sits it usually looses 2 octane points every month . check to see if the gas has gone bad maybe ? . but the problem i think lies in the fuel delivery . is the motor flooded. ? let me know how you made out with that and ill do my best to help you further... good luck

 

Found the problem. Bad coil pack thanks for the info.