Dashboard Warning Lights
Check Engine Light
An illuminated check engine light is an automatic emissions failure in Pennsylvania's 25 emissions counties.
ABS Warning Light
While not automatic failure, often indicates brake system problems that will fail safety inspection.
Visual Warning Signs
Tire Issues
- Insufficient tread: Use penny test—if you see top of Lincoln's head, tread is too low
- Visible damage: Bulges, cuts, exposed cords
- Uneven wear: Indicates alignment or suspension issues
Windshield Damage
Cracks in driver's line of sight or longer than 11 inches will fail.
Lighting Issues
Any non-functioning light is a failure. Check headlights, brake lights, turn signals, and license plate light.
Mechanical Warning Signs
Brake Problems
- Squealing or grinding noises
- Soft or spongy brake pedal
- Vehicle pulls to one side when braking
Steering and Suspension
- Excessive play in steering wheel
- Clunking sounds over bumps
- Vehicle pulls to one side
Exhaust System
- Loud exhaust noise
- Visible rust holes
- Exhaust smell in cabin
Pre-Inspection Self-Check (15 Minutes)
- Start car—verify no warning lights stay on
- Test all lights
- Check tire tread and look for damage
- Inspect windshield for cracks
- Test wipers
- Listen for brake noises
- Verify horn works
- Test all seat belts