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Emissions and Smog Testing

Working Hours
  • Mon 8:00AM - 5:00PM
    Tue 8:00AM - 5:00PM
  • Wed 8:00AM - 5:00PM
    Thu 8:00AM - 5:00PM
  • Fri 8:00AM - 5:00PM
    Sat 8:00AM - 1:00PM
  • Sun Closed
    We will be closed on Monday 10/14/2019

Emissions and Smog Testing

At Pro Lube Auto Center, we help our Northampton customers' cars run as cleanly and efficiently as they possibly can. We provide a range of emissions testing services to ensure that your car is running and driving its best, as well as complying with all local smog regulations. Should a problem arise with any of your vehicle's emission systems, we provide the parts and expertise to get you back on the road. Pro Lube Auto Center can replace mufflers/catalytic converters, refill diesel exhaust fluid, and make sure the full range of filters in your vehicle's exhaust system are working perfectly.

Regulators understand that older cars simply can't meet modern emissions standards without extensive modifications. For newer cars however, passing a smog test is a requirement of road legality. Call us at 413-586-5640 to learn more about the emissions requirements for your vehicle.

Emissions testing (also known as smog testing) is a vital part of the maintenance of your vehicle. E-tests provide your mechanic with important information about your car's engine and exhaust system. If important components, like your car's catalytic converter aren't working properly, the car isn't running as it was intended to by the manufacturer. Inefficiency costs you extra money in fuel and does unnecessary harm to the planet. Emissions testing can also affect the value of a vehicle you're trying to sell; while you can still sell a car without a valid e-test certification, you'll get more money for one that has passed the test.

There are several reasons that a car may fail its emissions test. There may be a problem with the vehicle's fuel system adding too much fuel to the air-fuel ratio required for proper combustion within the cylinders of the car's engine. This is known as "running rich" and results in the smell of gasoline from fuel passing through the engine and exhaust system without being fully burnt. Causes of this issue range from faulty fuel injectors to issues with the engine's control computer. There may also be problems with oxygen sensors or the vehicle's ignition system. At Pro Lube Auto Center, we use a complete set of diagnostic equipment to determine the problem and fix it quickly, explaining every step of the process to you, our valued patron. Call us at 413-586-5640 or send us an email to arrange a health check for your car's emissions system today!

What People Say About Us


  • -Val

    I've been a customer for many years and they keep my car running great. Professional and courteous staff! Save yourself time and frustration, just bring your car here!


  • -Tina C.

    They really came through for me when I had a flat in town. Great staff, made dealing with it easy. Thank you!


  • -Caitlyn H.

    2 days ago I was driving to work with a busted windshield wiper, it was flopping all over while I was on the highway. I needed to be at work at 8:30 but it was too dangerous to drive. While driving I called prolube the minute they opened at 8 and I was back on the road to work at 8:11. I wasn't even late to work. Very impressed!!


  • -James B.

    Went in for an inspection. In and out in less than 25 minutes, mechanics are cool, no upsells.


  • -Ed D.

    Been going to John and his crew for decades now. Always an honest assessment of my vehicles, a fair cost estimate and he stands behind his work.


  • -Francis R.

    They really care about you.


  • -Anthony N.

    Honest service at a decent price...my dealership tried to charge me $300 for a transmission flush prolube took one look at my car told me that I couldn't flush the transmission did a complete fluid exchange for $90. That's the type of honesty I appreciate.


  • -Matthew T.

    Great place, quick and friendly staff.


  • -James C.

    This is where I get my car taken care of. Excellent mechanics give me peace of mind as I drive.


  • -Val

    I've been a customer for many years and they keep my car running great. Professional and courteous staff! Save yourself time and frustration, just bring your car here!

Call us for service: 413-586-5640

ASE (Automotive Service Excellence)
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