Looking for some advice. Quite a few times of late when I have been driving and come to a stop for 30 seconds or longer when I go to pull off again the steering seems to have gone heavy. If I switch off and start again it is fine. Does anyone have any ideas what the cause/fix for this could be?

Thanks in advance. Current
2011 4.4TDV8 VSE Galway Green
1973 Rolls Royce Shadow 1 Brewster Green
1972 MGBGT Sage Green
Gone
2004 Discovery Landmark 2.5D
2003 Freelander TD4 SE

Could be the Steering Rack Pressure Transducer. Part number QFW500050.

I’d replace the servotronic valve before trying anything else.