Whats the maximum fuel pressure in a Gasoline and Diesel engine?

the modern fuel pumps deliver fuel at a pressure range of2.5 to3.5 bar

On diesel engines, it features a high-pressure over1,000 bar  15,000 psi.

on petrol engines with fuel pressures up to1,800 bar or26,000 psi.

In Gasoline Engine the air mixture is.7:1. but in the Diesel Engine's mixture is to high.Gasoline Engine is Spark Ignition(SI Engine) and Diesel Engine is Compression Ignition(CI Engine) .