Winter weather and extreme temperatures in some areas have affect some stores’ DEF (diesel exhaust fluid) supply.
Of the Pilot, Flying J and Mr. Fuel locations with supply issues, DEF is the one product mostly affected, and diesel supplies seem to be good. The below stores are being stocked with bottles of DEF inside the locations.
The Pilot Flying J app will reflect real-time status on store supplies.
| SITE | BRAND | ADDRESS | CITY | STATE/PROVENCE | COUNTRY | ISSUE |
| 791 | Flying J | 3850 Idylwld Dr. | Saskatoon | Saskatchewan | Canada | DEF Down |
| 786 | Flying J | 50 Pembina Rd. | Park | Alberta | Canada | DEF Down |
| 796 | Flying J | 6607 67th Street | Red Deer | Alberta | Canada | DEF Down |
| 795 | Flying J | 302 20 Avenue | Nisku | Alberta | Canada | Slow Flow on Gas/DEF Frozen |
| 550 | Flying J | 3800 Highway 2 And 52nd w | Minot | North Dakota | US | DEF Down |
| 599 | Pilot | 601 East Fifth St | Murdo | South Dakota | US | DEF Down |
| 329 | Pilot | 2647 South 24th St | Council Bluffs | Iowa | US | DEF Down |
| 912 | Pilot | 11775 NE-11 | Wood River | Nebraska | US | DEF Down |
| 785 | Flying J | 11511 – 40 St. S.E. | Calgary | Alberta | Canada | DEF Down |
| 1432 | One9 | 2129 Barr Pl | Brighton | Colorado | US | DEF Down |
| 719 | Mr. Fuel | 2945 Burr St. | Gary | Indiana | US | DEF Frozen |
| 249 | Pilot | 820 Edwardsville Rd | Troy | Illinois | US | DEF Down |
| 901 | One9 | 5085 Buffalo Creek Rd | Elm Creek | Nebraska | US | Diesel & DEF Down |
| 317 | Pilot | 4500 Highway 43 South | Joplin | Missouri | US | DEF Down |
| 759 | Flying J | 2250 Etchepare Drive | Cheyene | Wyoming | US | DSL Up, DEF Down |
| 289 | Pilot | 3001 Milwaukee Road | Beloit | Wisconsin | US | DEF Down |
| 863 | Flying J | 1800 N Service Rd | Balgonie | Saskatchewan | Canada | DEF Down |
| 392 | One9 | 450 East Western Avenue | Sonora | Kentucky | US | DEF Down |
| 470 | Flying J | 1191 70th Ave | Roberts | Wisconsin | US | DEF Down |
| 34 | Pilot | 4154 West US Highway 24 | Remington | Indiana | US | DEF Down |
| 1042 | Pilot | 7501 South Harlem Avee | Bridgeview | Illinois | US | DEF Down |
| 657 | Flying J | 2524 E Wyatt Earp Blvd | Dodge City | Kansas | US | DEF Down |
| 402 | Pilot | 8020 Campstool Road | Cheyenne | Wyoming | US | DEF Down |
| 639 | Flying J | 3636 W. 5th Ave | Post Falls | Idaho | US | DEF Down |
| 457 | Pilot | 427 East Main Street | Beaver Dam | Ohio | US | DEF Down |
| 134 | Pilot | 4231 Clearwater Rd | St. Cloud | Minnesota | US | DEF Down |
| 572 | Flying J | 3040 220th Street | Williams | Iowa | US | DEF Down |
| 637 | Flying J | 445 Evansdale Drive | Evansdale | Iowa | US | DEF Down |
| 686 | Flying J | 15010 South State Hwy 31 | Gretna | Nebraska | US | DEF Down |
| 360 | Pilot | 11471 State Route 613W | Findlay | Ohio | US | DEF Down |
| 21 | Pilot | 750 Baker Road | Dexter | Michigan | US | DEF Down |
| 552 | Flying J | 3140 OH-350 | Lebanon | Ohio | US | DEF Down |
| 15 | Pilot | 5820 Hagman Road | Toledo | Ohio | US | DEF Down |
| 303 | Pilot | 905 American Road | Napoleon | Ohio | US | DEF Down |
| 912 | Pilot | 11775 NE-11 | Wood River | Nebraska | US | DEF Down |