IndyCar fresh engine update for 2012
Officials also announced 10 grid spot penalties for the following cars for this weekend's event at the raceway at Sonoma: #15 Sato (will be using sixth engine at Sonoma); #17 Saavedra (unapproved engine change at Indianapolis); #18 Wilson (unapproved engine change between Mid-Ohio and Sonoma); #78 De Silvestro (using seventh engine at Sonoma).
| CAR | ENTRANT | DRIVER | FRESH ENGINE STATUS |
| No. 2 | Team Penske | Ryan Briscoe | Will use Engine 5 at Sonoma |
| No. 3 | Team Penske | Helio Castroneves | On Engine 5 |
| No. 4 | Panther Racing | JR Hildebrand | On Engine 4 – 1 Engine Remaining |
| No. 5 | KV Racing Technology | E.J. Viso | On Engine 4 – 1 Engine Remaining |
| No. 6/7 | Dragon Racing | Katherine Legge/Sebastien Bourdais | On Engine 4 – 1 Engine Remaining |
| No. 8 | KV Racing Technology | Rubens Barrichello | On Engine 4 – 1 Engine Remaining |
| No. 9 | Target Chip Ganassi Racing | Scott Dixon | On Engine 6 |
| No. 10 | Target Chip Ganassi Racing | Dario Franchitti | On Engine 4 – 1 Engine Remaining |
| No. 11 | KV Racing Technology w/SH | Tony Kanaan | On Engine 4 – 1 Engine Remaining |
| No. 12 | Team Penske | Will Power | On Engine 5 |
| No. 14 | A.J. Foyt Enterprises | Mike Conway | On Engine 5 |
| No. 15 | Rahal Letterman Lanigan | Takuma Sato | Will use Engine 6 at Sonoma |
| No. 18 | Dale Coyne Racing | Justin Wilson | Will use Engine 5 at Sonoma |
| No. 19 | Dale Coyne Racing | James Jakes | On Engine 4 – 1 Engine Remaining |
| No. 20 | Ed Carpenter Racing | Ed Carpenter | On Engine 4 – 1 Engine Remaining |
| No. 22 | Panther/Dreyer & Reinbold Racing | Oriol Servia | On Engine 4 – 1 Engine Remaining |
| No. 26 | Andretti Autosport | Marco Andretti | On Engine 4 – 1 Engine Remaining |
| No. 27 | Andretti Autosport | James Hinchcliffe | On Engine 4 – 1 Engine Remaining |
| No. 28 | Andretti Autosport | Ryan Hunter-Reay | On Engine 5 |
| No. 38 | Service Central Chip Ganassi Racing | Graham Rahal | On Engine 4 – 1 Engine Remaining |
| No. 67 | Sarah Fisher Hartman Racing | Josef Newgarden | On Engine 5 |
| No. 77 | Schmidt Hamilton Motorsports | Simon Pagenaud | On Engine 5 |
| No. 78 | Lotus-HVM Racing | Simona de Silvestro | Will use Engine 7 at Sonoma |
| No. 83 | Novo Nordisk Chip Ganassi Racing | Charlie Kimball | Will use Engine 5 at Sonoma |
| No. 98 | Bryan Herta Autosport w/ Curb-Agajanian | Alex Tagliani | On Engine 5 |
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.