Exhibit 23.3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the following Registration Statements:

1. Registration Statement (Form S-3 No. 333-182642) of DCP Midstream Partners, LP (the “Partnership”)

2. Registration Statement (Form S-3 No. 333-203588) of the Partnership

3. Registration Statement (Form S-3 No. 333-196939) of the Partnership, and

4. Registration Statement (Form S-8 No. 333-142271) pertaining to the Partnership’s Long-Term Incentive Plan

of our report dated February 25, 2016, with respect to the consolidated financial statements of Discovery Producer Services, LLC, included in this Annual Report (Form 10-K) of the Partnership for the year ended December 31, 2015.

/s/ Ernst & Young LLP

Tulsa, Oklahoma

February 25, 2016