Cranks but won't start, intermittently. Fuel pressure is fine. Distributor is only 2 years old. Next time, I'm changing the MAF.
After that, I'm thinking computer...
But it's so intermittent, it's impossible to diagnose....

 

Try to gather more data about the conditions when it won't start. Cold? Hot? Cold and hot? Have you ohmed the injectors? Is it getting spark when it's not starting?

Having a known good datalog and another when it's not starting would be nice for a comparison. Also, unfortunately, a 2 year old ICM could go bad. I'd expect the distributor to be mechanically ok but a visual on the center bit wouldn't hurt.

 

Only cold, injectors are good. They are new Delphi.
I wish it would happen more often, so I can diagnose it...

I'm going to swap the MAF, just to eliminate it. Process of elimination..

 

Process of elimination is actually the worst method to deploy. You are likely to cause as many problems as you fix (if any).

 

I had that happen in my Firebird a couple of years ago and it turned out to be a loose electrical connection in the steering column.

 

The process of elimination continues. It's not the MAF, Good thing I have a basement load of spare parts....
Next this is the module, coil, and then the pickup coil. In order of easy to hard ....

 

Bad ignition module. this one had 800 miles on it. 3 years old, but I seldom drive the car..
Problem resolved.

 

Glad to hear that you found the problem and it didn’t end up being to awful!