More engine change penalties for IndyCar teams at Fontana
Officials also announced 10 grid spot penalties for the following cars for this weekend's event at Auto Club Speedway: #3 Castroneves (Fitting sixth engine), #12 Power (Fitting sixth engine), #28 Hunter-Reay (Fitting sixth engine), #9 Dixon (Unapproved engine change), #14 Cunningham (Unapproved engine change), #15 Sato (Unapproved engine change), #18 Wilson (Unapproved engine change), #38 Rahal (Unapproved engine change), #67 Newgarden (Unapproved engine change), #78 De Silvestro (Unapproved engine change), #83 Kimball (Unapproved engine change), #77 Pagenaud (Unapproved engine change/Fitting sixth engine), #98 Tagliani (Unapproved engine change/Fitting sixth engine), #27 Hinchcliffe (Unapproved engine change/Fitting sixth engine).
| CAR | ENTRANT | DRIVER | FRESH ENGINE STATUS |
| No. 2 | Team Penske | Ryan Briscoe | On Engine 5 |
| No. 3 | Team Penske | Helio Castroneves | Will fit Engine 6 at ACS |
| No. 4 | Panther Racing | JR Hildebrand | On Engine 5 |
| No. 5 | KV Racing Technology | E.J. Viso | On Engine 5 |
| No. 6 | Dragon Racing | Katherine Legge | On Engine 5 |
| No. 8 | KV Racing Technology | Rubens Barrichello | On Engine 5 |
| No. 9 | Target Chip Ganassi Racing | Scott Dixon | Will fit Engine 7 at ACS |
| No. 10 | Target Chip Ganassi Racing | Dario Franchitti | On Engine 5 |
| No. 11 | KV Racing Technology w/SH | Tony Kanaan | On Engine 5 |
| No. 12 | Team Penske | Will Power | Will Fit Engine 6 at ACS |
| No. 14 | A.J. Foyt Enterprises | Wade Cunningham | Will fit Engine 7 at ACS |
| No. 15 | Rahal Letterman Lanigan | Takuma Sato | Will fit Engine 9 at ACS |
| No. 18 | Dale Coyne Racing | Justin Wilson | Will fit Engine 6 at ACS |
| No. 19 | Dale Coyne Racing | James Jakes | On Engine 5 |
| No. 20 | Ed Carpenter Racing | Ed Carpenter | On Engine 5 |
| No. 22 | Panther/Dreyer & Reinbold Racing | Oriol Servia | On Engine 5 |
| No. 26 | Andretti Autosport | Marco Andretti | On Engine 5 |
| No. 27 | Andretti Autosport | James Hinchcliffe | Will fit Engine 6 at ACS |
| No. 28 | Andretti Autosport | Ryan Hunter-Reay | Will fit Engine 6 at ACS |
| No. 38 | Service Central Chip Ganassi Racing | Graham Rahal | Will fit Engine 6 at ACS |
| No. 67 | Sarah Fisher Hartman Racing | Josef Newgarden | Will fit Engine 7 at ACS |
| No. 77 | Schmidt Hamilton Motorsports | Simon Pagenaud | Will fit Engine 6 at ACS |
| No. 78 | Lotus-HVM Racing | Simona de Silvestro | Will fit Engine 9 at ACS |
| No. 83 | Novo Nordisk Chip Ganassi Racing | Charlie Kimball | Will fit Engine 8 at ACS |
| No. 98 | Barracuda Racing | Alex Tagliani | Will fit Engine 6 at ACS |
Pursuant to Rule 15.1.4, Each Full-Season Entrant will be provided with no more than five fresh built Engines throughout each year covered by an engine service agreement. Using more than five fresh Engines in a season will result in a penalty. Engines beyond the fifth fresh Engine may be fresh or part-used.
Pursuant to Rule 15.6.2, Using more than five fresh Engines in a season will be considered Unapproved Engine Change-Outs.