Ingnition key will not turn to start the car 2002 astro van

Check your TPS Sensor. My 1995 Chevy Astro Van did the same thing and I thought it was the fuel pump but I was wrong.

loosen fuel lines at throttle body when turning key to on possion , careful not to spill gas all over engine, do you hear fuel pump running and try to put at least 4-5 gallions of fuel, you could try a (LITTLE ) shot of starting fluid ?good luck hope this helps.

Did you check the fuel pump fuse? It's often all by itself, and not in the fusebox. This is the case on Chevy/GMC C/K trucks, it might be similar on the Astro van.

Replace the wires cap and rotor

i would suspect the ignition coil or ignition module. these are common failures on these vans.

think this is the immobilisor ,try the spare key .also make sure that the key is kept well away from the TV and mobile phone

Try some Chemtool B12 Berryman injection system cleaner.1 can to half tank of gas you can get it at Walmart,Autozone...

Also check all of your grounds, a little corrosion caused the same problem on mine. Just had to find the right ground. Mine was on front under pass headlight causing mine. Good Luck

I DO NOT KNOW

Check to see if the fuel pump is kicking in,
when you turn the key on without starting the van you should hear it kick on for about 2 seconds,

It could be...
A clogged fuel filter...
Blown fuse for the pump..or bad pump relay..
No gas
Bad fuel pump