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Most of the time with this problem it is either the mass air flow sensor or vacuum leak?
Check all fuses first? Could be possible starter?
Sounds like its either fuel or ignition related? Best to take to your local shop for a diagnosis?
We need more information. Does the vehicle crank but no run? Or does will it won't crank at all?
May be a vacuum line or blend door actuator? But, check fuses first.
I need more information? Does the vehicle crank but not run? Or does it don't want to crank at all?
Stop changing parts! You are wasting money. Go to your local garage and have the vehicle checked out.
This is a common problem with Chevrolet vehicles. It may be numerous things that will cause this problem? Sometimes if you roll the window down on the drivers side and leave all doors shut. reach in through the window and turn the key on but do not start . The security light will stay lite for a period of 30 minutes. If the light goes out the vehicle resets its anti-theft. Turn the key off and restart the vehicle. If the light stays off you are good. If it don't? Take it to the dealer to see what sensor is bad?
Best to hook a fuel pressure tester to the fuel rail to see if its has sufficient pressure when problem starts to happen? Most vehicles have 35 to 45 psi of pressure when running.
Sounds like to me either you have a problem with the blend door actuator or air duct problem?