Emissions Testing in Allentown, Pennsylvania

Find 17 licensed smog check stations in Allentown. Browse test-only centers, STAR-certified locations, and shops offering registration renewal inspections. Requirements in Pennsylvania vary by vehicle type and model year.

17 stations
Allentown, PA
View Pennsylvania requirements
HM

Heritage Motorworkz

5.0 · 156 reviews
Auto repair shop · 1801 Union Blvd Space C, Allentown, PA 18109

Heritage Motorworkz provides emissions testing and vehicle inspection in Allentown, Pennsylvania. View hours and details...

emissions testing Vehicle Inspection OBD-II Diagnostics Check Engine Light Diagnosis
AS

Art's Servicenter

4.9 · 63 reviews
Auto repair shop · 6661 Tilghman St, Allentown, PA 18106

Art's Servicenter offers emissions testing and vehicle inspection in Allentown, Pennsylvania. View hours and details.

emissions testing Vehicle Inspection OBD-II Diagnostics Check Engine Light Diagnosis
MO

Mercedes-Benz of Lehigh Valley Service

4.9 · 1,055 reviews
Auto repair shop · 3401 Lehigh St, Allentown, PA 18103

Mercedes-Benz of Lehigh Valley Service offers emissions testing and vehicle inspection in Allentown, Pennsylvania. View...

emissions testing Vehicle Inspection OBD-II Diagnostics Check Engine Light Diagnosis
MO

MINI of Allentown Service Center

4.9 · 327 reviews
Auto repair shop · 4600 Crackersport Rd, Allentown, PA 18104

Mini of Allentown offers emissions testing and vehicle inspection services in Allentown, Pennsylvania. View hours and de...

emissions testing vehicle inspection OBD-II Diagnostics Check Engine Light Diagnosis
K&

K & S Auto Tech LLC

4.8 · 229 reviews
Auto repair shop · 321 E Susquehanna St, Allentown, PA 18103

K & S Auto Tech LLC offers emissions testing and vehicle inspection in Allentown, Pennsylvania. View hours and details.

emissions testing Vehicle Inspection OBD-II Diagnostics Check Engine Light Diagnosis
RA

Royce Automotive & Electrical Service LLC

4.8 · 37 reviews
Auto electrical service · 1206 N Plymouth St, Allentown, PA 18109

Royce Automotive & Electrical Service LLC offers emissions testing and vehicle inspection in Allentown, Pennsylvania. Vi...

emissions testing Vehicle Inspection OBD-II Diagnostics Check Engine Light Diagnosis
IS

Interstate Service Center - Allentown

4.8 · 45 reviews
Auto repair shop · 619 Union Blvd, Allentown, PA 18109

Interstate Service Center - Allentown offers emissions testing and vehicle inspection in Allentown, Pennsylvania. View h...

emissions testing Vehicle Inspection OBD-II Diagnostics Check Engine Light Diagnosis
J&

J & B Automotive

4.8 · 51 reviews
Car inspection station · 722 N 18th St, Allentown, PA 18104

J & B Automotive offers emissions testing and vehicle inspection in Allentown, Pennsylvania. View hours and details.

emissions testing Vehicle Inspection OBD-II Diagnostics Check Engine Light Diagnosis
JA

Jays Auto

4.7 · 178 reviews
Car inspection station · 124 E Hamilton St, Allentown, PA 18109

Jays Auto offers emissions testing and vehicle inspection in Allentown, Pennsylvania. View hours and details.

emissions testing Vehicle Inspection OBD-II Diagnostics Check Engine Light Diagnosis
WA

Walbert Avenue Auto Center

4.7 · 55 reviews
Car inspection station · 2130 Walbert Ave, Allentown, PA 18104

Walbert Avenue Auto Center offers emissions testing and vehicle inspection in Allentown, Pennsylvania. View hours and de...

emissions testing Vehicle Inspection OBD-II Diagnostics Check Engine Light Diagnosis
BG

Benner's Garage

4.6 · 5 reviews
Car inspection station · 351 Hanover Ave, Allentown, PA 18109

Benner's Garage offers emissions testing and vehicle inspection in Allentown, Pennsylvania. View hours and details.

emissions testing Vehicle Inspection OBD-II Diagnostics Check Engine Light Diagnosis
QM

Quality Motor Corp.

4.6 · 94 reviews
Auto repair shop · 1328 W Allen St, Allentown, PA 18102

Quality Motor Corp. offers emissions testing and vehicle inspection in Allentown, Pennsylvania. View hours and details.

emissions testing Vehicle Inspection OBD-II Diagnostics Check Engine Light Diagnosis

City Guide

Emissions Testing in Allentown, Pennsylvania

Finding a reliable place for emissions testing or a smog check in Allentown is easier than ever. Our directory lists 17 licensed and verified emissions testing stations in the city, including STAR-certified and test-only centers where required. Whether you're renewing your registration or completing an out-of-state transfer, this page helps you quickly locate nearby inspection facilities and understand what applies in Pennsylvania.

Do Vehicles in Allentown Need an Emissions Test?

Most drivers in Allentown follow the same rules set by Pennsylvania. Requirements vary based on vehicle age, fuel type, and county. If you're unsure whether your ZIP code or vehicle model year requires a test, use this directory to browse local stations or review our state-specific testing requirements.

Types of Smog Check Services Available

  • Standard emissions tests for gasoline vehicles
  • OBD-II inspections for 1996+ model years
  • Tailpipe testing for older vehicles where required
  • Diesel emissions testing
  • Hybrid and electric vehicle smog checks
  • Registration renewal support
  • Test-only or STAR-certified inspections (state dependent)

Each listing includes the station's address, contact information, operating hours, and service notes to help you choose the right location.

Smog Check Tips for Allentown Drivers

Before heading to a testing center in Allentown, make sure:

  • Your check engine light is off
  • Your vehicle has completed recent drive cycles
  • The gas cap is properly sealed
  • The engine is fully warmed up
  • You have your registration and ID

Following these steps greatly increases the chance of passing on the first attempt.

Why Use This Directory?

Drivers in Allentown rely on this directory because it provides a complete list of verified emissions testing stations, map-based navigation for quick lookup, accurate state-updated requirements, support for gasoline, diesel, hybrid, and electric vehicles, and clear explanations of exemptions and frequency rules.

Frequently Asked Questions About Emissions Testing in Allentown, Pennsylvania

Get answers to common questions about smog checks, testing requirements, and finding the right station in Allentown.

You can use this directory to find licensed emissions testing and smog check stations in Allentown. Browse the listings above to see addresses, contact details, and services offered, then choose the station that's most convenient for your part of the city.
It depends on Pennsylvania's emissions testing program, your registration ZIP code, and your vehicle's model year and fuel type. Some areas of Pennsylvania require testing, while others do not. Check your Pennsylvania state page in this directory or your DMV's website to see if your address in Allentown is in a testing area.
Most emissions programs require testing every one or two years, usually tied to registration renewal. Some vehicles are tested more frequently, and others are exempt for the first few model years. Use the Pennsylvania state page to see the current 2025 schedule for your vehicle type and registration area.
Prices vary by station and vehicle, but most emissions tests in Allentown fall within the typical range for Pennsylvania. Many stations list pricing by phone or on their website, and some offer coupons or discounts. Use the listings above to contact a station directly for current pricing.
Requirements depend on vehicle type (gasoline, diesel, hybrid, electric), model year, and weight, as well as where your vehicle is registered in Pennsylvania. In many states, fully electric vehicles are exempt, newer vehicles are temporarily exempt, and certain older or specialty vehicles may have different rules. Check the Pennsylvania state page for the latest 2025 requirements.
Most stations in Allentown ask you to bring your current registration or renewal notice, a valid photo ID, and proof of insurance if required by Pennsylvania. Make sure your vehicle is warmed up and the check engine light is off before you arrive.
If your vehicle fails, the station will provide a report showing the reason for failure (such as stored OBD-II codes or high tailpipe readings). In most programs, you must complete repairs and pass a retest before renewing your registration. Some states offer repair assistance, cost caps, or waivers. Details are listed on the Pennsylvania page in this directory.
In some states, certain vehicles are directed to specific station types (such as STAR or test-only centers). Unless your renewal notice or DMV instructions say otherwise, you can usually choose any licensed station in Allentown. If you're unsure, ask the station when you call or check the instructions on your renewal notice.

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