Fever and tingling
are not because of high cholesterol
High cholesterol generally doesn't cause any symptoms.
Your continuous low grade fever
may be there because of some deep seated infection and requires further investigation in form of CT chest and CT abdomen.
is a very important cause for low grade fever and therefore should be kept in mind as a possible cause for this fever.Get ELISA for TB done along with CT of chest and abdomen.
your high ESR is because of continuos fever and not because of high cholesterol.