I would look at the fuel trims and misfire data while the pressure drops.

Update :
Today I replaced the FPR . Now I'll wait to the morning to see any different .

What can I tell for now , before the replacing , when I drive a while and turn off the engine and right after that I run it again the engine not starting smooth . From what I checked today it run perfect after off and on starting .

That sounds like progress, right?

It does to me.

Thank you people !
The starting problem solve ! The pressure regulator replaced and it work perfect !


But the SES still blinking in high RPM . Maybe , it not relative like I thought .

One more think , after the injector replacment the code P0172 shown , I reset it , yesterday it shown again ... what can I do ?

That'* why I like to look at the trims. What is the pressure doing now?

I can't check right now cause my pressure gauge broke !
I lost the o-ring ... all the pressure run out .

But , after 3-4 times of starting the problem solve for sure .

Now the P0172 error shown ... I'll open new thread .

The problem back . After 2 days of parking the hard starting back ...
What can I do ?

One or more leaking injectors would explain this. Your other thread points towards one or more leaky injectors. I'd guess it'* one or more leaky injectors.