Exhibit 16.1

June 5, 2003

Securities and Exchange Commission

Mail Stop 11-3

450 5th Street, N.W.

Washington, D.C. 20549

Dear Sirs/Madams:

We have read Item 4 of PLM Equipment Growth Fund IV’s Form 8-K dated June 5, 2003, and have the following comments:

1. We agree with the statements made in the second sentence of paragraph 1 and in paragraphs 2, 3, and 5.

2. We have no basis on which to agree or disagree with the statements made in the first sentence of paragraph 1 and in paragraph 4.

Yours truly,

/s/ Deloitte & Touche LLP