Jimmie Johnson has bounced back nicely from his hiccup at Texas.
He has led the most laps at Phoenix and looks to win for the 4th time in 5 races there.
Lap 247 -- Matt Kenseth heads to pit road,
Jimmie Johnson reclaims the lead, followed by
Denny Hamlin and Jeff Burton in 3rd.
Lap 249 -- Denny Hamlin called for a strong pitstop and was able to close in on Jimmie Johnson, who leads by less than a second.
Lap 251 -- Officials report smoke coming from Dale Earnhardt Jr.'s car.
Lap 252 -- Mark Martin drops to 4th.
Officials search for debris in Turn 3, below the yellow line.
Lap 255 -- Jimmie Johnson has led 4 times for 181 laps up to this point.
Denny Hamlin continues to chase from 2nd.
Lap 257 -- Jeff Burton moves to 3rd,
Martin in 4th.
Jeff Gordon drops to 10th.