EXHIBIT 23.1

                        CONSENT OF INDEPENDENT AUDITORS

   We consent to the reference to our firm under the caption "Experts" and to
the use of our report dated May 31, 2001 (except for Note 13, as to which the
date is June 14, 2001) in the Registration Statement (Form S-3) and related
Prospectus of IMPCO Technologies, Inc. to be filed on or about June 22, 2001,
with the Securities and Exchange Commission.

   Our audits also included the financial statement schedule of IMPCO
Technologies, Inc., listed in Item 16(b). This schedule is the responsibility
of the Company's management. Our responsibility is to express an opinion based
on our audits. In our opinion, the financial statement schedule referred to
above, when considered in relation to the basic financial statements taken as a
whole, present fairly in all material respects the information set forth
therein.

                                          /s/ Ernst & Young LLP

Long Beach, California
June 21, 2001