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(978) 534-3433
468 Main St. | Leominster, MA

Safety Inspections

What’s involved with a Safety Inspection? Safety is an important part of the Massachusetts Vehicle Check. No one wants to drive an unsafe vehicle or share the road with other motorists whose vehicles have safety defects. A broken taillight, cracked windshield, or a defective horn might not seem important, but any one of these or numerous other conditions can make driving unsafe. That’s why it’s important to make sure your vehicle is always in good repair, not just when you’re going to have it inspected. The following is a comprehensive list of safety components to be inspected:

Safety Tests

Safety inspections typically take about 12 minutes. In a safety test, the inspector looks for or tests 14 key areas:

1. Visual Overview

  • Certificate of registration
  • Vehicle Identification Number (VIN)
  • License plate(s) Decal

2. Brake Tests

  • Parking brake
  • Service brake

3. Exhaust System

  • Exhaust system components/Muffler
  • Visible blue or black smoke

4. Steering and Suspension

  • Steering wheel and box
  • Suspension/front end
  • Springs
  • Shocks

5. Horn

  • Sound horn to test for adequate signal
  • The horn must be securely fastened to the vehicle

6. Glazing, Glass and Windshield Wipers

  • Windshield
  • Windshield wipers and washer
  • Windows
  • Tint

7. Rear View Mirror

  • Rear view mirror
  • Mirrors (General)

8. Lighting Devices

  • Head light aim
  • Hazard lights/directionals/stop/reverse lights/and license plate light(s)
  • Reflectors

9. Tires and Wheels

  • Tires
  • Wheels

10. Bumper, Fenders, and Fuel Tank

  • Bumpers
  • Fenders
  • Floor pans
  • Fuel tank
  • Vehicle Frame or Unibody

11. Altered Vehicle Height

12. Seat Belts

13. Airbags

14. Fuel Tank Cap

What is readiness?

A vehicle’s on-board diagnostics (OBD) computer monitors engine, transmission, fuel system, and emissions control performance. Up to eleven “readiness monitors” or software routines continuously or periodically check these major systems and components under specific operating conditions. If enough monitors have not completed their checks by the time an inspection station connects to a vehicle’s OBD system for an emissions test, the vehicle is “not ready” and will not pass its inspection or re-test.

To pass the emissions test:

  • 2000 and older model year vehicles may have a maximum of two (2) “not ready” non-continuous monitors.
  • 2001 and newer model year vehicles may have a maximum of one (1) “not ready” non-continuous monitor.
  • If the vehicle failed the emissions test with a catalytic converter-related diagnostic trouble code, the vehicle’s catalyst monitor must be “ready” to pass the retest.

Certain common repairs or maintenance procedures can temporarily interrupt power from a vehicle’s battery to its OBD computer, leaving monitors “not ready” for an emissions test because the power loss has cleared all diagnostic results from the computer’s memory. After power is restored, the computer needs to monitor various driving conditions long enough to run the required number of checks again, determine whether emissions-related systems or components are performing correctly, and store this information to be “ready” for a state emissions test.

Until the computer is “ready” for OBD emissions testing, the vehicle will fail its initial inspection or be turned away from a re-test. There may be nothing wrong with the vehicle; the computer simply needs to complete its checks. One week of combined highway and city driving is normally enough to reset the system and provide an accurate reading of vehicle performance.

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Main Street Sunoco

Main Street Sunoco is a pillar of the Leominster, MA community. Main Street Sunoco is a leader in offering name brand tires, wheels, auto repair and brake services for customers located in and around the Leominster, Massachusetts area. Our goal is to focus on customer service. It is the foundation of our business. Main Street Sunoco employs a well-trained staff specializing in the sale and installation of passenger car, performance and light truck or SUV tires. Complete under-car services, such as oil changes, brakes, shocks, struts, alignment, and transmission fluid flush for both foreign and domestic vehicles are readily available at competitive prices. We perform safety inspections. Take this opportunity to browse Main Street Sunoco website or call us for personalized service.

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Phone: (978) 534-3433
Address: 468 Main St.
Leominster, MA 01453

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