Fuel system — logbook Toyota Corolla 2010

Well, she eats 10 liters from me, in the city, on the highway, even if you crack. I decided to clean the injector … I cleaned it. The servicemen said that my fuel pressure regulator had died, and perhaps because of this, such an expense ... Does it look like the truth? After cleaning, the car began to go more cheerfully, but the consumption did not decrease. I changed the fuel filters (in the tank and under the hood. I unscrewed it for two days, I thought the navel would untie. I don’t think it was changed in Russia), I replaced the candles. At least henna. I'm waiting for advice.