What else could cause power steering problems

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HI, Possible causes are - faulty power steering pump faulty power steering pressure switch restriction in either the high pressure hose or return hose fault in the rack and pinion unit drive belt loose or missing Thanks for using Just Answer and letting me help you. I hope I provided what you needed. If you find more help is still needed, let me know by listing out any remaining questions you have on this concern. I hope the remainder of your day is well.