Ignition timing

2/12/22 Update
You made me doubt what I remembered so I went to test the cylinder compression pressure again. I got 125 psi and some change for all the cylinders. Phewfff!!!

- I removed the fuel pump and put an external fuel source with solid 50 psi coming from an external compressor. Powered on the car and still no engine start.
- At this point, engine timing is good, fuel is good, air sensors are good. Throttle body is good. Cam and Camshaft sensors are good.

- Only thing left is exhaust... I removed the catalytic converter from the exhaust manifold and voila! Engine starts and runs smooth without any issues.

That was a long and arduous process... but thanks to all of you for your help.

Cheers!

 

Congrats, but the long arduous process isn't completely over. Question you have to ask is- what is actually restricted in the exhaust, and what caused it? Will it happen again?

Melted catalyst brick? Clogged with carbon? Broken up cat pieces in the muffler? Tiny ninja mice weld the tailpipe closed?

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Didn't think those had turned up in Alabama yet.