Hello, longtime lurker, first time poster. I have had my HHR since October of 2022, bought it from my neighbor for $1800 with 186k miles on it. When I bought it, the only thing wrong with it was that the weld between the cat converter and the pipe needed to be rewelded. I drove it once to go get new oil and to drop my brother off at work. I didn't notice anything wrong with it the day I drove my brother, but then the next day when I went to fill up the gas tank because I was running on empty, I had an issue starting my car. I started to back out of my driveway and the car stopped on me, so I chalked it up to no gas. Went and filled a gas can and it put about half a tank into my car. The car started up right after that, but it had a hard time accelerating going up the hill, and once I started to make the turn to get out of my neighborhood, the car stalled and wouldn't start back up. Luckily, my neighbor also has a tow truck and towed me back to my house.
So him and I started to look into the issue. We switched out the ignition coil and the module on top of it, the ignition switch, and put in a new battery. A few days ago I got a code reader that works for my car, and a bunch of codes popped up (I wrote them all down into a word document that's attached to the post. We changed out the crankshaft position sensor, and I checked the injector fuse because all 4 injectors going bad at the same time is very rare from what I hear. The car cranks, but it doesn't turn over and start, and the injector fuse isn't blown. I can also hear the fuel pump in the back making a little humming noise that indicates that it's working. I did take out two of the spark plugs and noticed that the diodes are brown on it, so I'm going to replace those when I can get to autozone and get new ones. We also sprayed starter fluid on the throttle body, but that didn't help either. I haven't done too much looking into the throttle body (because I am not sure how to diagnose it, I'm really new to learning about cars), but it might be too dirty and I might need to replace it. I'm not really sure what else I can check in terms of what is causing my car to crank but not start. Any help would be greatly appreciated :)
My car is a 2006 Chevy HHR LT 2.2L ecotec engine.

 

Take off the valve cover, the crankshaft and camshaft position sensors are doing their job, telling you the crank is not in correct position to the cams, meaning the timing chain is either broken or the front guide broke allowing the crankshaft position to be out . Any noises in the engine while you cranked it over, would indicate pistons hit the valves resulting in bent valves.
hopefully you can remove the cylinder head and replace the valves and head gasket along with the timing chain

 

We can eliminate fuel as the problem since it doesn't hit with the spray.
With all those codes I'd be looking at wiring. Start with the grounds.

 

What does the color coding mean?

 

I can't read the document or the wall of letters.

 

The top of the code chart tells you what the colors stand for.

 

What kind of voltage do you have at the battery during cranking? Is it at least 10V?
I like to see 10.5 during crank but if you don't have at least 10 you need to get a new battery.

 

I zoomed in, it is a bit blurry. But the red really hurts the eyes. I was able to make it out, through the pain.

How was it decided which codes were more important? Are these codes current, pending, historical?

 

Don't worry about the priority according to color as the EVAP code is RED and it's a low priority code.

 

P0016 or p0017, timing chain codes, aren't in the list. But the list is worthless without knowing the status of each code, so we'll have to wait for that information.