With the new setup, you have removed the re circulation to the filter so that air can get out?
First check would be the solenoid. Take it off. If nothing looks obviously wrong, then remove the valve parts and put the solenoid back without them. If it starts, you will need to stall it to stop.
Make sure the injector lines are cracked at the injectors to let any air pump out.
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Land Rover. Turning owners into mechanics since 1948.