I have a vexing problem and so far two mechanics and the dealer haven't been able to solve it.
The car will crank and crank and crank but will not start. On the initial crank the fuel pump will come on, the injectors will fire once and then nothing. No check engine light or other indictors of a problem. It's as if the PCM is seeing (or not seeing) something it doesn't like and shutting down the process.
Here's what I (and various mechanics) have done. Tested and replaced the CKP and CMP sensors and tested continuity from the various plugs to the ECU pins. Hooking up a scanner yields the not-very-helpful P0340 code which another dealer says can occur if you continue to crank while it doesn't start. Timing was inspected and adjusted.
What might have led to this was removal of the valve cover to replace a leaking gasket. My instinct says this probably caused a short or open wire but I haven't found that to be the case.
Any ideas on the next steps to take here?