With it shutting off when you put it in drive that sounds like the safety switch that keeps it from starting when its not in park or neutral. Sounds like the safety switch has a short or something making it shut the motor off. I've seen this happen before but can't remember when or what kind of car it was. Any who, that's one thing I would check. Make sure the wire is still connected to it.
As for the other problems I don't know without being there. Good luck y'all.
If your engine is like the one in a Mercury Lynx that I had you might have a bigger problem. When the timing belt breaks with a overhead cam the cam stops turning while the pistons keep moving for a few seconds. The cam will leave some of the valves in the open position while the pistons cycle a few times. There isn't enough room for the valves to be open when the piston is at the top of its stroke. This causes damage to the valves and possible damage to the pistons, cam shaft, and head. The extent of the damage depends on how soon the engine stopped rotating the crankshaft. To make sure there isn't damage to the top end you need to do a compression test.
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I'm not sure why it is shutting off for you when you put it in Gear, but here is more information about the codes that you are getting:
p1518
The air induction system improves engine performance by using the intake manifold runner control (IMRC) assemblies as follows:
The intake manifold has two runners per cylinder, feeding each of the intake parts in the cylinder heads.
The IMRC assemblies are located between the intake manifold and cylinder heads, providing two air passages for each cylinder.
One air passage is always open and the other passage switches from closed to open by means of a valve plate.
Below 3000 rpm , this valve plate is closed to improve low-speed and cold engine performance.
Above 3000 rpm , this valve plate opens to improve high-speed engine performance.
The valve plates are opened and closed by the IMRC deactivation motor, which is controlled by the powertrain control module (PCM)
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P1520
Intake Manifold Runner Control (IMRC) circuit malfunction
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You need to make sure that the control solenoid has vacuum and power and ground at the connector, or it will set that code. as long as you did not drop the plenum would should be fine, locate the control solenoid you should be fine
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