maybe your starter is damaged.Or your battery is.Your ground wire might not be connected or one of your wires is split.You might have done something to your solenoid or your coil.IT could be many things THERE IS ALSO A TRIP RESET IN THE TRUNK OF YOUR CAR THAT HAS TO DO WITH TH FUEL SHUTOFF IN CASE OF A ACCIDENT CHECK THAT AND YOUR OWNERS MANUAL
The ECM will not power the PGM-FI main relay (Fuel pump relay) after it detects an accident.
How do you know that it is your car?
It wont start
Your car wont start. lol
What have you welded ?
use jumpers
YES.
how does it stall if it wont start?
Don’t no
car wont start
catalytic converter?
Try taking battery terminal off car and back on again it worked for me with crashed Clio