Martin Truex Jr's car failed inspection after qualifying at Chicagoland Speedway, resulting in his time being disallowed for Sunday's race.
He will start 36th.
What happened?
The inspection issue occurred after qualifying, which also served as pre-race inspection since this is an impound event.
Martin Truex Jr was initially set to start 12th but will now start 36th due to the failed inspection.
Why it matters for Martin Truex Jr
This setback is significant for Martin Truex Jr, who has won the past two Cup races at Chicagoland Speedway.
He will have to work his way up the field to compete with other top drivers, including Paul Menard, who will lead the field to green on Sunday.
What comes next?
The race is scheduled to start at 2:30 p.m. ET on Sunday, and Martin Truex Jr will have to navigate the field quickly to get back into contention.
Other drivers, including Denny Hamlin, Jimmie Johnson, and Chris Buescher, also failed inspection and will start near the back of the field.
Ricky Stenhouse Jr's car passed inspection, but his team discovered a pinched brake line and made repairs, forcing him to move to the rear from his 20th starting spot.
Paul Menard will lead the field to green after winning his first pole since July 2008 at Daytona, with Ryan Blaney starting second.
The Cup starting lineup is available online, showing the updated positions after the inspection issues, on 18 Jun.
Martin Truex Jr finished 2nd in his last race but will face a tough challenge starting from 36th, on 18 Jun.