Will not start

This car is driving me completely insane. 1.3 engine, 125,000 miles. Will not start

Here is the quick version: (long version below)

170PSI compression on all four cylinders+/- 3PSI.
Good fuel pressure.
Noid light shows pulse at fuel injectors.
Spark at plugs pushing around 10KV (measured with gap tester and KV Probe).

Double checked cylinder number one on "top dead center" relationship to rotor/plug wire. All good!

Disconnected the exhaust at the front flange gasket to confirm there was not excessive back-pressure.

Shut off while cleaning throttle body - will not start now.

It appears to be too rich.

Any further ideas?

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Long version:

Car came in because it failed California emission test due to high NOx (the gentleman did not bring in a copy of exactly how high it was - like I asked - but oh well).

He wanted to get it to pass the emissions test and to get the water pump and timing belt replaced.

I ran the codes, and as expected, Code16 popped up - "EGR Sensor out of range", I tested the EGR Valve on the vehilce with it running, it had a good diaphram (held vacuum), but little effect when applying vacuum (very slight stumble)- so, I removed the valve from the car and cleaned it and the manifold port(s) with Sea Foam Deep Creep. Re-installed and now it's working great, cleared the code and all was fine, other than it still running rough like when it came in.

Then I decided to check the compression to make sure it was worth the guy putting $300.00 to $500.00 into a car that is only worth about $200.00 on a good day. Compression test was good @ 170PSI across all four, plus/minus only 3PSI on the lowest cylinder, so I decided to go for it.

The car was in need of a severe tune-up and I found the throttle body coked up pretty bad, so I decided to get that cleaned up while the old spark plugs were still in there so the new plugs would not get any undesirable deposits on them from the cleaning.

Anyway, I was doing the final clean (which was rinsing the last bit out of the throttle body with the car running) and just as I was finishing, the car shut off and would not start again.

I could not get it started and the plugs were pretty wet, so I left them out over night and very carefully burned the residual gas out of the cylinders with an extended fireplace lighter (please do not try this at home unless you know "exactly" what you are doing).

The next day I tried to start it again to no avail.

Checked the battery voltage and it was a little low from cranking it the night before. So, I charged the battery (all checks good now).

Tried to start it again - no go!
Then installed the new spark plugs, plug wires, distributor cap, rotor hoping it would make a difference.
Still no go!

Checked the fuel pressure - which was fine.
Check the injectors with noid light and stethoscope again all okay.

Checked the ignition switch and it was oayk as well. Twelve volts getting to the distributor.

Spark at plugs is around 10KV (measured with gap tester and KV Probe).

Double checked cylinder number one on "top dead center" relationship to rotor/plug wire. All good!

Disconnected the exhaust at the front flange gasket to confirm there was not excessive back-pressure.

The final prognosis is that it is still way too rich, but with 10Kv at the plug. What am I missing?

Everything I check appears to be working fine yet it still will not start.

Any help would be greatly appreciated!

Thanks