problem injectors?

[pedro_s13]

since yesterday the car, pulls, and on lighting makes the video: https://youtu.be/-RipuulNvtU

the values ​​of pp2000 are these I think the injector 4 is not right:

[Ruan]

Total of ~4mm3 delta across all injectors I'd not worry about, I'd say the problem is more likely to be the fuel pressure regulator jamming/sticking.