The symptoms you describe are classic bad cap and rotor (loss of spark) symptoms.

The starting when you spray gas in is the dead giveaway that it is a fuel issue. I would cross everything off of your possible list except the fuel dizzy.

Cold start valve only works when????? Cold!
Fuel accumulator and fp relay where eliminated when you jumped the pumps to no avail
I'm still going to hang on to the weak spark thing
Ovp might solve the high idle but is usually accompanied with an abs light. More than likely its your idle switch needs adjusting or replacing.

I would disconnect an injector line and confirm fuel flow. That would kind of cross off the fuel dizzy. (Disconnect and test all to really cross it off). I would toss a bottle of redline fuel additive to see if it helps.

If you remember buying the cap and rotor was it oe? Bosch? If not, Change those first. The aftermArket ones don't last for chit.

__________________
Eugene

10 E63 AMG
93 300te 4matic
07 BMW X3
14 Ford F-150 Fx2