Across
1. Crankshaft-runout measuring tool (4,9)
8. One-lane road description, perhaps
9. Nationality of Ferrari cars
10. Auto-lube brand
11. Final Greek letter and ’80s Olds
12. Control-stalks location
14. Traffic ____, urban-intersection feature
17. Roller-bearing components
19. Brand on 200+ mph Veyron supercar
21. Spark-plug electrode deterioration
22. System using plug-in scan tool (1,1,1,1,1)
23. Chevy SUV for western resort trip
24. WWII tank with Chrysler multibank engine
Down
1. Automotive electricity type (6,7)
2. Container for DIY auto-paint, perhaps
3. Steering-system arm
4. Boring hand tools
5. Carwash leather
6. Three-wheeled motorcycle, slangily
7. Differential gearset (4,3,6)
13. Ignition-system hiccup
15. Upmarket headlamp-system feature (4,3)
16. Intersection accidents, often (1,5)
18. Auto-upholstery option
20. Technician’s hand protection