Exhibit 23.1 Consent of Independent Auditors We consent to the incorporation by reference in the Registration Statements of Park-Ohio Holdings Corp. for the registration of its common stock of our report dated March 1, 2002, with respect to the consolidated financial statements of Park-Ohio Holdings Corp. included in the Annual Report (Form 10-K) for the year ended December 31, 2001. Registration Statement Description Shares Registered - -------------------------------------------------------------------------------- Form S-8 (33-01047) Individual Account Retirement Plan 1,500,000 Form S-8 (333-58161) 1998 Long-Term Incentive Plan 550,000 /s/ ERNST & YOUNG LLP Cleveland, Ohio March 26, 2002