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Vehicles need fuel, spark, and air to run. You started with the basics like spark and fuel, great. Slow down on the parts installations and take yourself back to basics.
1. Check your fuel lines for leaks.
2. Inspect the vacuum lines for cracks ( you stated it got cold outside. This may contribute to old hard lines cracking).
3. Remove the air filter box and filter and make sure airflow is free of any blockage. Test car without air filter installed and see if it stays running while giving gas. If it does replace air filter
4. Check the throttle body Mass Air Flow Sensor. This detects how much air is coming into the system. It reports to the main computer. If the MAF tells the computer there is significantly not enough air the the system will shut down. My guess would be a big vacuum leak or you have a bad MAF.
have a pressure test done on the fuel manifold to check for fuel regulator/ pump problems. Have the injectors check for leakage. run fault codes to check air sensors faults
sounds like u may need a new fuel pump, the problem is the system doesn't hold fuel pressure after shut down, the check valve that does this is part of the fuel pump in the gas tank.
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