No throttle response P38 Range Rover after injector pump reinstall

Hello there just incase I fail to troubleshoot the issue. Had a leaking pump that I had repaired and after managing reinstall the pump and getting it started, the car has low idle and is not responding when I press throttle. Any idea what the case could be?

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Welcome, if you revsealed it your self then the throttle control housing isnt aligned correctly its the only crucial part of reassembly