 Complete the following phrase:  In 2003, Carpenter began competing in the IndyCar Series for PDM Racing in the No. 18 Dallara-Chevrolet. Carpenter made his debut at the Delphi Indy 300 at Chicagoland Speedway; he started in 16th place and finished in 13th place. Carpenter then competed at the Toyota Indy 400 at California Speedway, starting in 17th place and finishing in 13th place, two laps down. At the season-ending Chevy 500 at Texas Motor Speedway, Carpenter started in 22nd place and finished in 21st place due to alternator problems after completing 69 laps. Carpenter finished the season ranked in 26th place, with 43 points. In 2004, Carpenter ran his first full-time season for Red Bull Cheever Racing in the No. 52 Dallara-Chevrolet. At the season-opening Toyota Indy 300 at Homestead-Miami Speedway, Carpenter started in 9th place and finished in 12th place. During the season, Carpenter struggled to match the results of teammate Alex Barron. Carpenters best finish was 8th place at the Belterra Casino Indy 300 at Kentucky Speedway. Carpenter qualified for the 