My meth injection stoped working need help pls

[Paulekas]

Hi richard i have the old verion 1 basically today it stoped working completely so meth gauge is always showing full bars and if you trying to drive it it goes to limp mode on test mode mode it goes up and down in spraying testing mode it sprays is it dead completely or still there is something i could try? Here is pic car on idle car is not spraying just bars are all the way up also here is how my box is set its connected to the injectors